Add or subtract as indicated. Express the answer as a single polynomial in standard form.(3x2 + 2x + 7) + (6x2 - 5x + 9)
A. 13x2 - 2x + 11
B. 9x2 - 3x - 16
C. 9x2 - 3x + 16
D. 9x2 + 3x + 16
Answer: C
Mathematics
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Solve.A house sold for $161,000 and the real estate agent earned a commission of $5474. What was the commission rate?
A. 0.3% B. 2.9% C. 3.4% D. 29.4%
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Write an equation of the circle with the given center and radius.(0, 0); 4
A. x2 + y2 = 4 B. x2 - y2 = 4 C. x2 + y2 = 16 D. x2 + y2 = 8
Mathematics
Match the following statements and reasons to complete the proof of:
 FIGURE.png)
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Solve the problem.Which of the following vectors is parallel to v = 9i + 5j?
A. w = 
i + 
j
B. w = - 
i + 
j
C. w = 45i - 25j
D. w = 
i - 
j
Mathematics