The area of a square is 40 cm. Kate says, 'I think the side length of the square is about 5.8 cm.' Without working out the side length, explain how you know there is a better estimate.

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)