Answer:

Step-by-step explanation:
Hi there!
We're given that there are 8 marbles in total. 2 marbles are yellow and 3 are red, making the number of red AND yellow marbles 5 (2+3=5)
Because 5 out of the 8 marbles are yellow or red, the probability of choosing one of them is
.
I hope this helps!
PEMDAS use that it's gonna help you
Answer:
x = z/(6πy)
Step-by-step explanation:
Divide by the coefficient of x.
z/(6πy) = 6πxy/(6πy)
z/(6πy) = x