Rationalize the denominator. Assume that all variables represent positive real numbers and that the denominator is not zero.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Perform the indicated operation.
? 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response. Solve the following quadratic using any method, rounding to the nearest hundredth if necessary: x2 + 4x + 13 = 0.
A. x = 2 + 3i, 2 - 3i B. x = -2 + 3i, 2 - 3i C. x = -2 + 3i, -2 - 3i D. x = -2 + 9i, -2 - 9i
Mathematics
Indicate whether the sequence is arithmetic, geometric, or neither. Give the next two terms in the sequence.5, 15, 45, 135, 405, . . .
A. Geometric; 1215; 3645 B. Neither; 411; 415 C. Arithmetic; 408; 414
Mathematics
Solve the equation.(8y + 1)(5y - 4) = 0
A. 
B. 
C. 
D. {7}
Mathematics