Choose the example below that can be the first step to factoring by grouping for the following polynomial. ab + 5a – b – 5
a.(ab + 5a) – (b – 5)
b.(ab + 5a) + (b – 5)
c.(ab + b) + (5a – 5)
d.(ab – b) + (5a – 5)

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

Edger needs 6 cookies and 2 brownies for every 4 plates how many cookies and brownies does he need for 10 plates

28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !