What is the greatest common factor of 60, 84 and 72?
select one:
a. 24
b. 12
c. 84
d. 4

Can someone answer these problems for me

What is the binomial expansion of (2x-3)^5

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36