Let x^2−20x=10. what values make an equivalent number sentence after completing the square? x^2-20x+()=()

Icould really use some with this question.

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Nine people are going to share a 128-ounces bottle of soda. how many ounces will each person get drink? choose the correct equation and answer for this situation