Use multiplying by 1 to find an expression equivalent to nine fifths with a denominator of 10b.

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 weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out