Determine if the point (-6,8) is a solution to the following system of equations y=1/2x-5 and x+3y=-30

Someone me! will award brainliest if u explain and answer!

Extremely mega ultra important question! plss answer as fast as you can you will get 84 points! the area of this right triangle is half the area of which of these rectangles?

Which rotation about its center will carry a regular hexagon onto itself