GPA? what is my GPA if i have 3 A's, 3 B's, and 1D?

scoring:

A=4
B=3
C=2
D=1

thanks!

What is the factored form of the following expressions? d^2 – 13d + 36

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?

Abowl contained 270 starbursts of all different colors. if the probability of picking a yellow is 1/9, then how many yellow starbursts are in the bowl ? ?