Im confused pls pls winner gets 8 points

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

Match each equation with the operation you can use to solve for the variable. 1 subtract 10 2 divide by 10 3add 18 4add 10 5 subtact 18 6multiply by 5. 7multiply by 10. a 5 = 10p b p + 10 = 18 c p + 18 = 5 d 5p = 10

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv