Combine like terms and write the resulting polynomial in descending order of powers.9y5 + 9y9 - 9y9 + 3y5 + 10
A. 12y5 + 10
B. 24y5
C. 12y5 - 18y9
D. 12y5 + 18y9
Answer: A
Mathematics
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Solve for the indicated variable.S = 2?rh + 2?r2 for h
A. h = S - r
B. h = 
- 1
C. h = 2?(S - r)
D. h = 
Mathematics
Solve and check your answer.-5x - 18 + 6x = -3
A. -21 B. 15 C. -15 D. 21
Mathematics
Simplify.
A. 1 B. Not defined C. 82 D. 0
Mathematics
Solve the problem.If an object is dropped from a tower, then the velocity, V (in feet per second), of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Find V as a linear function of t, and use this function to evaluate V(6.3), the velocity of the object at time 
A. V(6.3) = 212.9 feet per second B. V(6.3) = 209.6 feet per second C. V(6.3) = 211.6 feet per second D. V(6.3) = 210.9 feet per second
Mathematics