Solve the system of equations – 2x + y = -8 and 4x – 6y = –24 by combining
the equations.

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?

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