Rationalize the denominator.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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How many subsets and proper subsets are in the given set?
A. 15, 14 B. 14, 15 C. 15, 16 D. 16, 15
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Use the power rules for exponents to simplify. Write the answer in exponential form.(z5)4
A. 5z4 B. (z4)20 C. z20 D. z9
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Write the inequality in interval notation.
A. [-5, ?) B. (-?, -5] C. [6, ?) D. (-?, 6]
Mathematics
Find the perimeter. Use 3.14 for ? when needed.
A. 90 cm B. 50 cm C. 410 cm D. 70 cm
Mathematics