What are the terms in the expression 6ab +7c-8d +11f

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

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

Collin did the work to see if 10 is a solution to the equation r/4=2.4