Match the following fossils numbered 1-14 below to its geologic period. For each geological period there can be at least 2 or more fossils.

Geologic Period

Cambrian Ordovician Silurian Devonian Carboniferous Permian Triassic Jurassic Cretaceous Neogene

Fossils

1. Acanthodian

2. Agnostid (order of trilobites)

3. Ammonite

4. Brachiosaurus

5. Cockroach (order of insects)

6. Edaphosaurus

7. Eurypterid

8. Ginkgo

9. Glossopteris

10. Oak (tree with broad leaves)

11. Opabinia

12. Placoderm

13. Smilodon

14. Wiwaxia

Please match term with description. Answers may be used more than once or not at all.

a. impedance matching

b. area ratio

c. lever ratio

d. buckling function

e. localization

1. _____ This is a function of the pinna.

2. _____ This provides a gain of approximately 2 dB.

3. _____ This provides a gain of approximately 25 dB.

4. _____ This is a function of only the tympanic membrane.

5. _____ This is a function of the relationship between the tympanic membrane and the

oval window.

6. _____ This is a function of the olivary complex of the brainstem.

7. _____ This is a function of the middle ear

8. _____ This provides a gain of 4-6 dB

The following information is available for a company’s maintenance cost over the last seven months.

Using the high-low method, estimate both the fixed and variable components of its maintenance cost.
  

The following information is available for a company’s maintenance cost over the last seven months.

Using the high-low method, estimate both the fixed and variable components of its maintenance cost.

High- Low method calculation of variable cost per maintenance hour

__________________ ____________________ ____________ _______________ __________0

_________________ ____________________ _______________

Total cost at the high point $_____________________

Variable costs at the high point:   

Volume at the high point: ________________________

Variable cost per maintenance hour ____________________

Total variable costs at the high point __________________________

Total fixed costs ________________________

Total cost at the low point _________________

Variable costs at the low point: _________________

Volume at the low point: _______________

Variable cost per maintenance hour ____________

Total variable costs at the low point

Total fixed costs

Use the following information to run a t-Test. Give a description about the information you found and the conclusions you can draw. Should include the following at minimum; the null and alternative hypothesis, mean and variances the two groups, the test(s) you are running and why, the test statistic and the critical value, and what conclusions do we draw, do we reject the null or accept the null.

"To Breakfast or Not to Breakfast?" by Richard Ayore

In the American society, birthdays are one of those days that everyone looks forward to. People of different ages and peer groups gather to mark the 18th, 20th, …, birthdays. During this time, one looks back to see what he or she has achieved for the past year and also focuses ahead for more to come.

If, by any chance, I am invited to one of these parties, my experience is always different. Instead of dancing around with my friends while the music is booming, I get carried away by memories of my family back home in Kenya. I remember the good times I had with my brothers and sister while we did our daily routine.

Every morning, I remember we went to the shamba (garden) to weed our crops. I remember one day arguing with my brother as to why he always remained behind just to join us an hour later. In his defense, he said that he preferred waiting for breakfast before he came to weed. He said, “This is why I always work more hours than you guys!”

And so, to prove him wrong or right, we decided to give it a try. One day half of us went to work as usual without breakfast, and recorded the time we could work before getting tired and stopping. The other half all ate breakfast before going to work, and recorded how long they worked again before getting tired and stopping. My brother insisted that there would be an increase of more than two hours.

In a paragraph discuss four differences between r-strategists to K-strategists. Give one example of a plant and one animal that exhibits each strategy and explain in a sentence for each what traits inform you that they exhibit that strategy.

In two sentences differentiate between density-dependent and density-independent forces and their impact on population size.

In a paragraph discuss the key differences between the three types of survivorship curves (Type I, Type II and Type III); give one example of an organism that exhibits each pattern and state in a sentence for each what traits inform you that it exhibits that strategy.

State seven ways humans make an impact on the environment through population size and/or the ecological footprint of its citizens.

The Severn Company plans to raise a net amount of $270 million to finance new equipment in early 2017. Two alternatives are being considered: Common stock may be sold to net $60 per share, or bonds yielding 10% may be issued. The balance sheet and income statement of the Severn Company prior to financing are as follows:

The Severn Company: Income Statement for Year Ended December 31, 2016 (Millions of Dollars)

The probability distribution for annual sales is as follows:

Assuming that EBIT equals 10% of sales, calculate earnings per share (EPS) under the debt financing and the stock financing alternatives at each possible sales level. Do not round intermediate calculations. Round your answers to two decimal places. Write out your answer completely. For example, 0.00013 million should be entered as 130.

Calculate expected EPS under both debt and stock financing alternatives. Do not round intermediate calculations. Round your answers to two decimal places. Write out your answer completely. For example, 0.00013 million should be entered as 130.
Under the debt financing expected EPS is $___ .
Under the stock financing expected EPS is $____ .

Calculate σEPS under both debt and stock financing alternatives. Do not round intermediate calculations. Round your answers to two decimal places. Write out your answer completely. For example, 0.00013 million should be entered as 130.
Under the dept financing σEPS is $____ .
Under the stock financing σEPS is $____ .

Calculate the debt-to-capital ratio and the times-interest-earned (TIE) ratio at the expected sales level under each alternative. The old debt will remain outstanding. [Hint: Notes payable should be included in both the numerator and the denominator of the debt-to-capital ratio.] Do not round intermediate calculations. Round your answers to two decimal places.

Under the debt financing:

Under the stock financing:

The US consumer fleet (cars, SUV’s, vans, cross-overs and light trucks) has an average drag coefficient of 0.4, an average miles driven per year of 12,500 at 50 MPH and an average frontal area of 5.5 m2. Being that there are 265 million of these ‘average’ vehicles on the road driven by consumers, calculate:

a. Gasoline consumed per vehicle annually assuming 25% overall efficiency

b. Gasoline consumed per vehicle annually assuming if the speed limit on federal highways was cut down from 70 to 55 MPH resulting in a decrease in the average speed to 43 MPH.

c. How many barrels of oil would be saved annually by lowering the speed limit?

d. If instead of 55 MPH there were an absolute federal speed limit on all roads of 45 MPH, lowering the average speed to 35 MPH, repeat b) and c) above.

e. If instead of lowering the speed limit the aerodynamics of all vehicles were improved such that the average vehicle now has a drag coefficient of 0.35, how many barrels of oil would that save annually?

f. If the size of engines were cut down on every vehicle in the fleet equivalent to the efficiency of the average vehicle above increasing to 40%, how many barrels of oil would that save annually?

g. What if by force of tax we were all limited in driving a certain number of miles and this resulted in the original average vehicle driving 10,000 miles per year, how many barrels of oil would that save annually? How many gallons of gas is that per capita and how much would each person save dollar-wise per year?

Assuming monetary benefits of an information system at $150 at Year 1, $200 at Year 2, and $250 at Year 3, one-time costs of $200, recurring costs of $50 per year, a discount rate of 7 percent, and a three-year time horizon, please fill in the cost-analysis benefit table below. Please round each value to 2 decimal places (which indicates that you should keep at least 3 decimal places for intermediate calculations). Each blank between (1) and (23) is worth 0.25 point, while blank (24) is worth 0.75 point.