Which expressions are equivalent to x + 2y + x + 2

(A) 2(x+y+1)2(x+y+1)

(B) 2x+4y+4

(C) None of the above

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

I'll give brainliest if you answer right : )

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