The volume of a rectangular prism is 156 cubic centimeters. the base of the prism has an area of 12 square centimeters.

what is the height of the prism?

enter your answer in the box.

cm

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

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%

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)