Add or subtract as indicated. Express the answer as a single polynomial in standard form.(4x7 + 9x6 - 6x) + (9x7 + 8x6 + 4x)
A. 13x7 + 17x6 - 2x
B. 13x + 17x7 - 2x6
C. 3x7 + 12x6 + 13x
D. 28x14
Answer: A
Mathematics
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Find the reciprocal of the number.
A. - 
B. - 
C. 
D. 1
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Solve.Megan went shopping for holiday presents for her family. She spent $281 on Monday, $315 on Tuesday, and $369 on Wednesday. What is the total amount of money that she spent on gifts?
A. $955 B. $1065 C. $965 D. $855
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Find the present value. Round to the nearest cent.To get $2000 after 12 years at 8% compounded semiannually
A. $811.45 B. $780.24 C. $1219.76 D. $794.23
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Write the augmented matrix for the system.
A. 
B. 
C. 
D. 
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