If 2 gallons of paint are needed for 75 ft of fence, how many gallons are needed for 900 ft of fence?

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)

Hilary decided to purchase 3 points in order to lower her interest rate on her $140,000 mortgage. how much additional money does she need to bring to closing? a. $4200 b. $4000 c. $6 d. $400

Ireally don't understand this, i'm really an idiot but i want to know how to figure this out. !