Solve the system of linear equations. x - 7y = 82x - 7y = 9
A. (2, 1)
B. No solution
C. (1, -1)
D. (2, -2)
Answer: C
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Provide an appropriate response.Express in scientific notation: 65,000,000
A. 65 × 107 B. 65 × 106 C. 6.5 × 108 D. 6.5 × 107
The table shows, for some particular year, a listing of several income levels and, for each level, the proportion of the population in the level and the probability that a person in that level bought a new car during the year. Given that one of the people who bought a new car during that year is randomly selected, find the probability that that person was in the indicated income category. Round your answer to the nearest hundredth. 
$35,000 - $39,999
A. .09 B. .11 C. .15 D. .13
Provide an appropriate response.What must be done to the dividend before beginning the "long division" process for (4x5 + 7x3 + 7x2 + 8x + 3) ÷ (2x + 8)?
What will be an ideal response?
Differentiate.y = xln x
A. xln x - 1ln x
B. 
C. 2xln x - 1ln x
D. (ln x)2