What is the square root of 36 squared

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1