Find the missing side length to the nearest tenth of a millimeter 3.7 mm, 7.5 mm

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

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%