Anyone wanna me with my homework? 15 points to whoever can answer these to questions. : )

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.

Find the slope of the line passing through a pair of points

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases