Rationalize the denominator. Assume all variables represent positive real numbers.
A. 5
B. 54p
C. 
D. 
Answer: D
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Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
The length of the critical path for the entire project is
A. 18 hours. B. 26 hours. C. 21 hours. D. 17 hours. E. none of these
Determine whether the graph of the function is symmetric about the y-axis, the origin, or neither of these.f(x) = 
A. y-axis B. Origin C. Neither
Use factoring by grouping to solve the equation.x3 + 2x2 - 16x - 32 = 0
A. 2, -4, 4 B. -2, -4, 4 C. -4, -2, 2 D. -2, 2, 4
Solve the problem.The population of a town was 33,500 at the beginning of 1970. If the population decreased 250 people per year, how many people lived in the town at the beginning of 1985?
A. 29,750 people B. 3750 people C. 29,500 people D. 30,000 people