How do I find the
vertex of a quadratic
function given an
equation in vertex form?

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 of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

In the geometric progression –3, 12, −48… what term is 3,072?