Distance between (2,-5) and (18,7)

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

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

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12