Simplify.
? 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.The library is to be given 5 books as a gift. The books will be selected from a list of 21 titles. If each book selected must have a different title, how many possible selections are there?
A. 20,349 B. 5.109094217e+19 C. 4.257578514e+17 D. 2,441,880
Mathematics
Fill in the blank with one of the words or phrases listed below.
A polynomial with exactly 3 terms is called a 
.
A. monomial B. trinomial C. binomial D. FOIL
Mathematics
Convert as indicated.30,000 pounds to tons
A. 16 tons
B. 15 tons
C. 14 tons
D. 15
tons
Mathematics
Simplify the expression.72 - 4 ? 4
A. 84 B. 36 C. 180 D. 33
Mathematics