bluesheep456 bluesheep456 19-05-2020 Mathematics contestada Directions: Simplify each expression by combining like terms 1.) -y+9z-16y-25z 2.) 6x +3y-y+2+2 3.) 9b + 5(b - 4) + 15 4.) -4(3x + 5) + 10x + 1 5.) 0.5(y + 4) + 18y - 9 6.) -0.7r+9(-r-15)