Given that ?a=-7x-60° and ?b=-2x°, find the value of x.
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a. 5
b. –60
c. –7
d. –12
e. 0.29
d. –12
Mathematics
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Graph the solution of the system.x - y ? 2x + y ? 8
A. 
B. 
C. 
D. 
Mathematics
Factor completely.t3 + 8
A. (t - 8)(t2 - 1) B. (t + 2)(t2 - 2t + 4) C. (t + 2)(t2 + 4) D. (t - 2)(t2 + 2t + 4)
Mathematics
Compute the derivative.
?
?
A. 3 B. 0 C. 1 D. 7 E. -1
Mathematics
Multiply and, if possible, simplify.
A. 21mn
B. 
C. 21
D. mn
Mathematics