Find the Sum (3x+x^7 +5x^2) +( 4x^2 -2x +8).

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

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.