30y i THINK i am not amazing at math
here are my steps
combine like terms: 3•2•y•y•y/5
multiply coefficients: 6•y•y•5/y
Rewrite: 6•y^2•5/y
Now its 6y^2 • 5/y over y which = 30y^2 over y which = 30y^1 or 30y
The formula for the surface area of a sphere is

I believe it is C because the Associative property states that no matter how you use your parenthesis the answer will be the same <span />
Answer:
1=5 so x=4.5
Step-by-step explanation:
so 11x-9=7x+9
4x=18
x=18/4
x=4.5