Describe two real life companies that you believe has a "High Fixed Cost Structure" and one that you believe has a "Low Fixed Cost Structure". Explain why you came to this conclusion. Then describe what would happen to your companies' net income if

a) in one year they were able to double their sales

b) in one year their sales would drop by 50%.

Select/identify 20 programming languages

1)Draw a graph, a chart or a table that shows the history/timeline of the development of the chosen 20
programming languages over years.

2)Identify the domain (area) that each one of the 20 programming languages is used in. The well known
programming domains are:
a. Scientific Applications
b. Business Applications
c. Artificial Intelligence
d. Systems Programming
e. Web Software

Calculate the pH during the titration of 25.00 mL of 0.1000 M LiOH(aq) with 0.1000 M HI(aq) after 24.2 mL of the acid have been added. Explain.

1. How do the following terms relate to bonds?
   1. Indenture
   2. Registered form
   3. Sinking fund
   4. Call provision
   5. Protective covenant
   6. Zero coupon
   7. Bid-ask spread

2. Use the data provided below and calculate:

1. Nominal GNP for 2014 and 2015.
2. Assuming 2014 is the base year, calculate price index for 2015.
3. Real GNP for 2014 and 2015.
4. Inflation rate from 2014 to 2015.
5. Real and nominal rates of economic growth from 2014 to 2015. (Note, rate of change is measured by “absolute change” from one year to another divided by what the GNP was in the previous year.

Consider a GaAs p-n junction diode. The p-type acceptor is Zn, with a dopant concentration of 2 x 10^17 cm^-3 and the n-tpye donor is Si, with a dopant concentration of 5 x 10^16 cm^-3. Working at temp= 300 K.

a) Calculate the Fermi Level in the p-type material. Assume that the hole density is equal to the density of the p-dopant atoms.

b) Performing the same calculation for the n-type material gives a fermi level of 1.363 eV. What is the zero-bias built- in potential at the junction?

c) Calculate the width of the depletion zone for this case

im getting this

Error: Main method not found in class Tuple, please define the main method as:
public static void main(String[] args)
or a JavaFX application class must extend javafx.application.Application

please modify the code

import java.io.InvalidClassException;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;

public class Tuple {

private List<Object> fields; // stores the fields(s) of the tuple in the original sequence

public Tuple(List<Object> fields) throws InvalidClassException {
this.fields = fields;
}

// gets the fields of this tuple
public List<Object> getFields() {
return fields;
}

@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Tuple tuple = (Tuple) o;
return Objects.equals(fields, tuple.fields);
}

@Override
public int hashCode() {
return Objects.hash(fields);
}

@Override
public String toString() {
return "Tuple{" +
"fields=" + fields +
'}';
}
}

Research one attack of transport layer of TCP/IP model and answer the following questions
what was the attack?
what layer the attack is done
describe the attack what it is
what does attack hope to achieve
Relate to CIA train
what network vulnerabilities does attack take advantage of
what can be done to mitigate the attack
please attach the reference with answer

The Ka’s for H₂SeO₂ are K1 = 2.7 x 10^-3 K2 = 2.5 x 10^-7 Calculate the pH of a solution formed when 30.0 mL of 0.25 M KSeO3 is mixed with a) 1.5 mL of 0.20 M KOH b) 20.0 mL of 0.25 M HCl c) 25.0 mL of 0.20 M K₂SeO₃

I know how to calculate pH's however, I do not know when to use K1 vs K2, can you explain please?

Random samples of size n = 330 are taken from a population with p = 0.09.

a. Calculate the centerline, the upper control limit (UCL), and the lower control limit (LCL) for the p⎯⎯p¯ chart. (Round the value for the centerline to 2 decimal places and the values for the UCL and LCL to 3 decimal places.)

Centerline _________

Upper control limit __________

Lower control limit __________

b. Calculate the centerline, the upper control limit (UCL), and the lower control limit (LCL) for the p⎯⎯p¯ chart if samples of 210 are used. (Round the value for the centerline to 2 decimal places and the values for the UCL and LCL to 3 decimal places.)

Centerline_____________

Upper control limit____________

Lower control limit____________

c. Discuss the effect of the sample size on the control limits. (fill in the blanks)

The control limits have a __________ spread with smaller sample sizes due to the _____________ standard error for the smaller sample size.

What is the role of the contemporary partisan think tank in U. S. politics and policy formation today? (250 words please)

Textbook publishers must estimate the sales of new​ (first-edition) books. The records indicate that 25​% of all new books sell more than​ projected, 30​% sell close to the number​ projected, and 45​% sell less than projected. Of those that sell more than​ projected, 55​% are revised for a second​ edition, as are 40​% of those that sell close to the number​ projected, and 25​% of those that sell less than projected.

a. What percentage of books published go to a second​ edition?

The taxi and takeoff time for commercial jets is a random variable x with a mean of 8.3 minutes and a standard deviation of 2.2 minutes. Assume that the distribution of taxi and takeoff times is approximately normal. You may assume that the jets are lined up on a runway so that one taxies and takes off immediately after the other, and that they take off one at a time on a given runway. (a) What is the probability that for 36 jets on a given runway, total taxi and takeoff time will be less than 320 minutes? (Round your answer to four decimal places.) (b) What is the probability that for 36 jets on a given runway, total taxi and takeoff time will be more than 275 minutes? (Round your answer to four decimal places.) (c) What is the probability that for 36 jets on a given runway, total taxi and takeoff time will be between 275 and 320 minutes? (Round your answer to four decimal places.)

Calculate the molarity of the following solutions.

a) 0.950 mol of Na2S in 1.85 L of solution.

___M

b) 30.9 g of MgS in 833 mL of solution.

___M

Cold air at a temperature of 10 C and a velocity of 3 m/s is moving parallel to a flat plate with a length of 6 m and a surface temperature of 75 C.

A) Find the transition location on the plate and the heat loss from the plate.

B) Repeat part (A) for water at the same velocity and temperature. The flat plate is made from copper.