Use the net to find the surface area of the regular pyramid.

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.

1foot = 12 inches; 1 yard = 3 feet

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