Solve the problem.Susan is 7 years older than her brother Bob. If the product of their ages is 638, how old is Susan?
A. 29
B. 7
C. 30
D. 22
Answer: A
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Provide an appropriate response.Before opening a new dealership, an auto manufacturer wants to gather information about car ownership and driving habits of the local residents. The marketing manager of the company randomly selects 1000 households from all households in the area and mails a questionnaire to them. Of the 1000 surveys mailed, she receives 145 back. Is this study biased? Explain.
What will be an ideal response?
Subtract the polynomials.(8x7 - 17x6 + 18) - (3x7 + 2x6 + 10)
A. -6x13 B. 5x7 - 19x6 + 28 C. 5x7 - 14x6 + 28 D. 5x7 - 19x6 + 8
Solve.Use the following graph to solve x2 - 2x - 8 = 0.y = x2 - 2x - 8
A. -2, 4 B. 4, 2 C. -4, -2 D. -4, 2
Use the given information to find the exact value of the trigonometric function.sin ? = - 
, ? lies in quadrant IV
Find cos 
.
A. - 
B. 
C. 
D. - 