Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.A committee of 15 members is voting on a proposal. Each member casts a yea or nay vote. On a random voting basis, what is the probability that the final vote count is unanimous?
A. 
B. 
C. 
D. 
Mathematics
Find a rectangular equation for the plane curve defined by the parametric equations.x = 2t, y = t + 5; -2 ? t ? 3
A. y = 
x + 5; for x in -4 ? x ? 6
B. y = 
x - 5; for x in -? < x < ?
C. y = x2 + 1; for x in -2 ? x ? 2
D. y = -2x + 5; for x in -? < x < ?
Mathematics
Evaluate.-58 + 92
A. 150 B. -150 C. -34 D. 34
Mathematics
Find all of the zeros of the function.h(p) = p - 8
+ 15
A. p = 25, p = 9
B. p = 
, p = 
C. p = ±25, p = ±9
D. p = 5, p = 3
Mathematics