What is

14+6×(9−6)

PLEASE HELP MEE

What are “like terms”? why can we only add like terms?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

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%