Which scale factors produce an expansion under a dilation of the original image? a. -0.1b. 0.1c. 2d. 7.5

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.

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school

Aa at 9 a.m. it at 4 p.m. he a of $28.84.?