Find the sum of the given polynomials.

7b + 3, -4b + 5, and -3b + 2

answer options are:
10b + 2
10
0
b - 8

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Acable car begins its trip by moving up a hill. as it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. then, as the car moves down to the hill’s base, its elevation drops at the same rate.

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?