Graph the system of inequalities, and find the coordinates of the vertices.3x - 2y ? -6 x - 1 < 0
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Factor completely. If unfactorable, indicate that the polynomial is prime.72a4b - 98b3
A. 2b(6a - 7b)2 B. 2b(6a + 7b)2 C. (12a + 14b)(6ab - 7b2) D. 2b(6a2 + 7b)(6a2 - 7b)
Mathematics
Factor completely.x4 - 
A. x 
B. x 
C. x 
D. 
Mathematics
Solve the problem.If f(x) = cos x and f(a) = - 
, find the exact value of f(a) + f(a - 2?) + f(a + 4?).
A. - 
B. -36
C. -12
D. - 
Mathematics
Find the sum without the use of a number line.2 + (-19) + 2 + (-19) + 16 + (-16)
A. 0 B. -38 C. -74 D. -34
Mathematics