Could you please help me :) Solve 2x^2 = 128.

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

What is always true when two whole numbers are subtracted?