Find the slope and y-intercept of y=8x-7

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Question 14 (1 point) larry deposits $15 a week into a savings account. his balance in his savings account grows by a constant percent rate.