Who ever can answer these three questions first I will give them a brainliest! Or two Need help ASAP. Heeelp ppplsss!!!

5. 6. And 7..

What is the distance between point a and b

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

20.ju inces. which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces? (-3,-18) (-0.5, -3) (0,0) (0.5, 3)