Determine the amplitude of the function y = 2 cos x from the graph shown below:

A. 1

c. 3

b. 2

d. 4

Find the value of the X to the nearest tenth 57 * 6

Sarah is five years older than Jamie. Jamie is twice as old as Greg. Their ages total 45. How old is each person?

The mayor of a large city claims that the average net worth of families living in this city is at most $300,000. A random sample of 25 families selected from this city produced a mean net worth $288,000.

Courtney works at the local shoe store and receives $150 a week plus 3% of all sales over $1000. This week her sales were $3200. Find her commission using composition of two functions; then find her total earnings for the week.

Which has an identity a. 8 - (5x 2) = - 5x - 6 b. 7z 10 - 2 = 8z - 2 (z - 5) c. 8m - 4 = 5m 8 - m d. 6y 5 = 6y - 5?

What is 76% of $25,000?

A baseball players batting average is 0.3 330 which means he gets a hit 33% of the time or 1/3 of the time based on the information how many hits would you expect the player to have an a series if he has 12 at-bats in a series

When randomly selecting an adult, let B represent the event of randomly selecting someone with type B blood. Write a sentence describing what the rule of complements is telljng us: P (B or ¯ B ) = l.

Compute the amount of interest earned in the following simple interest problem A deposit of $1,295 at 7% for 180 days

How do you decide which of two numbers is greater when one number is positive and one number is negative