What is the solution of this equation?
-1/2n^2+ 18 = 0

n=

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.

Look at attachment. has all info needed. need

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation