Solve the equation by completing the square.x2 + 4x + 13 = 0
A. {-2 ± 
i}
B. {1, -5}
C. {-2 ± 3i}
D. {2 ± 3i}
Answer: C
Mathematics
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Solve the equation by factoring.x2 - 6x - 27 = 0
A. {3, -9} B. {-3, 9} C. {3, 9} D. {-3, -9}
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Provide an appropriate response.Suppose ?PQR ? ?ABC, where ?ABC is shown below. Find PQ.
A. 5 B. Cannot be determined C. 3 D. 4
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Solve the problem.Michael's bank contains only nickels, dimes, and quarters. There are 57 coins in all, valued at 
The number of nickels is 3 short of being three times the sum of the number of dimes and quarters together. How many dimes are in the bank?
A. 8 dimes B. 12 dimes C. 42 dimes D. 7 dimes
Mathematics
Rewrite without rational exponents, and simplify, if possible.(9y6)3/2
A. 9y18 B. 27y3/2 C. 2714 D. 27y9
Mathematics