Find the difference.-4 - [(19 - 1) - (-7 + 2)]
A. -21
B. -27
C. -29
D. -17
Answer: B
Mathematics
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Find an equation of the line representing the given data. Write the equation in slope-intercept form, unless otherwise indicated.With 22.5% commitment, a company can clean up 50% of an acid rain forest. With 23.5% commitment, it can clean up 58% of an acid rain forest. Let y be the percent cleanup for x percent commitment.
A. y = 8x - 130 B. y = 8x + 1 C. y = 8x + 130 D. y = x + 8
Mathematics
Write a linear inequality that describes the shaded region.y = -3
A. y ? -3 B. x ? -3 C. x ? -3 D. y ? -3
Mathematics
Decide whether or not the ordered pair is a solution of the system.(1, -2)4x = 2 - y3x = -5 - 4y
A. Yes B. No
Mathematics
Graph the line containing the point P and having slope m.P = (0, 4); m = 
A. 
B. 
C. 
D. 
Mathematics