In a scientific study there are nine guinea pigs, five of which are pregnant. if four are selected at random without replacement find the probability that all are pregnant. enter your answer as a fraction or a decimal rounded to three decimal places.

b. would be the answer : )

step-by-step explanation:

step 1: add -16x to both sides.

16x−4y+−16x=64+−16x  

−4y=−16x+64

step 2: divide both sides by -4.

−4y /-4 = -16x + 64/-4

answer:   y=4x−16

hope i'm right

answer: apothems is your answer

step-by-step explanation: hope u get it right