Simplify the radical expression. Assume that all variables represent positive real numbers.
? 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Factor completely. If the polynomial cannot be factored, write "prime."9y4 - 49
A. (3y2 - 7)2 B. (3y2 + 7)2 C. (9y2 + 1)(y2 - 49) D. (3y2 + 7)(3y2 - 7)
Mathematics
Convert.39 mg to grams
A. 39,000 g B. 3900 g C. 0.039 g D. 0.39 g
Mathematics
Add or subtract as indicated.(7a3b3 + 3a2b) + (9a3b3 + 5a2b) - (6a3b3 - 2a2b)
A. 20a5b B. 10a3b3 + 10a2b C. 20ab10 D. 10a6b3 + 10a4b
Mathematics
Divide. If there is a remainder, be sure to state it as part of your answer.
A. 557 R 9 B. 558 R 2 C. 558 R 3 D. 558
Mathematics