What’s the solution to the following equations: 2x-2y=6 and y=x-3 what is the (x, y) solution

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?

Can anyone me get through my algebra 2 class? the only class i need to graduate..

Why does the shape of the distribution of the weights of russet potatoes tend to be symmetrical?