Evaluate the expression using the properties of real numbers.
? 
? 3
A. 18
B. 21
C. 126
D. 3
Answer: D
Mathematics
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Rationalize the denominator.
A. 
B. 
C. 
D. 
Mathematics
Simplify the given expression.16 + 23 ? 25
A. 64 B. 975 C. 393 D. 591
Mathematics
The polar coordinates of a point are given. Find the rectangular coordinates of the point.(5, 90°)
A. (-5, 0) B. (0, -5) C. (0, 5) D. (5, 0)
Mathematics
Perform the indicated operation.37 lb 12 oz - 30 lb 7 oz
A. 7 lb 5 oz B. 67 lb 3 oz C. 6 lb 5 oz D. 68 lb 3 oz
Mathematics