The completely factored form of the polynomial is
f(x) =

(X - 5)(x-2)(x-4)
(x - 5)(x + 2)(x + 4)
(x - 5)(x2 + 6x + 8)

How do i work this problem out using the equation a=pe^rt

Can anyone me with 32,33,36,37,and 40.

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling