Rationalize the denominator. Assume that all variables represent positive real numbers and that the denominator is not zero.
A. 6x
B. 6x
C. 
D. 
Answer: C
Mathematics
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Factor completely.81x2 + 90xy + 25y2
A. (9x + 5y)2 B. (9x - 5y)2 C. (81x + 1)(x + 25) D. (9x + 5y)(9x - 5y)
Mathematics
Perform the indicated operation and simplify.
- 
A. 2x + 8
B. 
C. 
D. 
Mathematics
Provide an appropriate response. True or false? -14 > -3
A. True B. False
Mathematics
Solve the problem.The number of employees of a company, N(t), who have heard a rumor t days after the rumor is started is given by the logistic equation 
What is the rate of change N'(t) ?
A. N'(t) = 
B. N'(t) = 
C. N'(t) = 
D. N'(t) = 
Mathematics