C) Which of these numbers is a square number? A) 4 x 10^5

B) 9 x 10^4

C) 4 x 10^3

D) 9 x 10^3

Guys i really need or i have to stay late up night

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

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)