Use elimination to solve show ur work and u will get brainliest
-2x + 4y = 6
2x - 4y = -16

Geometry ? i don't know how to do any of these.

Abag has more green balls than blue balls, and there is at least one blue ball. let bb represent the number of blue balls and let gg represent the number of green balls. let's compare the expressions 2b2b and b + gb+g. which statement is correct? choose 1

Simplify the expression. -2/5(10+15m-20n)