If f(x)= 2x-5, which expression represents f(x+1)?

Twelve friends shared 8 small pizzas equally. how many pizzas did each person get?

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%

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8