Acan of 3 tennis balls sells for $2. if sal spent more than $24 on tennis balls, which inequality can be used to find n, the number of tennis balls sal could have bought?

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%

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265