A pizza costs $7.20. This is 250% of the cost of a drink. What is the cost of the drink?

Write each expression in exponential form and find its value. 3 x 3 x 3

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%

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1