Combine the numbers.-15 + 3 - 9 - (-3)
A. -24
B. -6
C. -18
D. -12
Answer: C
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Provide an appropriate response.Following are box-and-whisker plots comparing the study times in hours per week for Sarah and Elaine.
What is the longest study time by either student? What is the shortest?
A. 8 hours; 2 hours B. 9 hours; 2 hours C. 2 hours; 0 hours D. 9 hours; 0 hours
Find an equation of the circle with center at (-a, 0a) and radius 2a.
What will be an ideal response?
Find the x- and y-intercepts of the graph of the equation. 5x - 30y = 30
A. x-intercept: -6; y-intercept: 1 B. x-intercept: 6; y-intercept: -1 C. x-intercept: -1; y-intercept: 6 D. x-intercept: 1; y-intercept: -6
Factor completely, or state that the polynomial is prime.5y4 - 25y3 + 6y2 - 30y
A. y(y - 5)(5y2 - 6) B. prime C. y(y + 5)(5y2 + 6) D. y(y - 5)(5y2 + 6)