Atrain traveled 325 miles in 5 hours .what was the the trains average rate of speed in miles per hour

Which representation has a constant of variation of -2.5

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

If f(x)=x^2- 4 and g(x)=x^2 plus 2 x, (c) (f-/3) = ? (simplify your answer.)