Find the missing value so that the line containing the two points will have the required slope.(x, -9) and (-8, -1); m = - 
A. -8
B. 0
C. -9
D. 7
Answer: D
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Solve the problem.A salesperson has two job offers. Company A offers a weekly salary of $360 plus commission of 8% of sales. Company B offers a weekly salary of $720 plus commission of 4% of sales. What is the amount of sales above which Company A's offer is the better of the two?
A. $9100 B. $18,000 C. $9000 D. $4500
Solve the quadratic equation by completing the square.x2 + 4x - 7 = 0
A. {-2 - 1
, -2 + 1
}
B. {2 + 
}
C. {-2 - 
, -2 + 
}
D. {-1 - 
, -1 + 
}
Given the interval (a, b) on the x-axis with the point c inside, find the greatest value for ? > 0 such that for all x, 
? a < x < b. a = 1.362, b = 2.894, c = 1.892
A. ? = 1 B. ? = 0.53 C. ? = 1.002 D. ? = 1.532
Write a fraction to represent the shaded area of the figure.
A. 
B. 
C. 
D. 