Beth and Amy are trading marbles. Beth has four times more marbles than her sister, Amy. The equation given below shows this relationship, where x represents the number of marbles Beth has, and y represents the number of marbles Amy has.

If Beth has 44 marbles, how many marbles does Amy have?
A.
176
B.
10
C.
40
D.
11

A. the probability that a product is defective is 0.1. what is the probability that there will be 1 or less defective products out of the next 8 produced products b.the expected number of imperfections in the coating nylon for parachutes is 6 per 100 yards. what is the probability of finding 12 or fewer imperfections in 260 yards c.in a lot of 54 products there are 9 defective products. calculate the probability that not more than 1 is defective from a random sample of 17 products.