JoJo paid $6 for 3/5 pound of cheddar cheese. She wants to know the price of 2 pounds of the cheese. What is the price per pound?

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b