How do you simplify this
8-6/3
6*8/3

Let f (x) = x e8x. find a formula for the nth derivative of f, where n is any positive integer. use x and n in your answer if needed. f (n)(x) =

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount