Perform the indicated operation. Simplify if possible.
+ 
A. - 
B. 
C. - 
D. 
Answer: C
Mathematics
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Simplify the given algebraic expression.x15 + x14 + ... + x3 + x2 + x + 1
A. 
B. 
C. 
D. None of the above
Mathematics
Provide an appropriate response.Find the prime factorization of 1,260.
A. 2 ? 2 ? 3 ? 3 ? 35 B. 2 ? 2 ? 3 ? 3 ? 5 ? 7 C. 2 ? 2 ? 2 ? 3 ? 5 ? 5 D. 1 ? 4 ? 5 ? 7 ? 9
Mathematics
Multiply.(-23)(7.78)
A. 30.88 B. 15.22 C. 30.78 D. -178.94
Mathematics
Solve the problem.A bag of marbles has twice as many blue marbles as green marbles, and the bag has at least 57 marbles in it. At least how many green marbles does it have?
A. At least 20 green marbles B. At least 38 green marbles C. At least 19 green marbles D. At least 29 green marbles
Mathematics