Answer:
63 red marbles.
Step-by-step explanation:
Because the probability of drawing a red marble is 7/8, the number of red marbles = 7/8 * 72
= 7 * 9
= 63.
There are 495 different ways to choose 4 pizza toppings from 12.
12!/8!4! = 12*11*10*9/(4*3*2) = 11*9*5 = 495
A
