Solve the inequality. Express your answer using interval notation.-3x - 7 ? -4x - 6
A. [-13, ?)
B. [1, ?)
C. (-?, 1)
D. (-?, 1]
Answer: D
Mathematics
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Find 2a - 8(a + 3)2 when a = 2. ?
A. ?196 B. –196 C. –36 D. –46 E. –4
Mathematics
Find the equation of the line with the given properties.Has a slope of -7 and passes through the intersection of the lines 
and 
.
A. x - 7y - 33 = 0 B. 7x + y - 39 = 0 C. 7x + y - 1 = 0 D. 7x + y - 33 = 0
Mathematics
Plot the curve of the given polar equation in polar coordinates.r = 
A. 
B. 
C. 
D. 
Mathematics
Write the augmented matrix for the system. 3x + 7z = 39 5y + 6z = 76 4x + 6y + 7z = 86
A. 
B. 
C. 
D. 
Mathematics