Solve the equation.7x + 6 = 3x - 18
A. 6
B. - 
C. -24
D. -6
Answer: D
Mathematics
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Solve the system by substitution. x + 7y = 27 6x + 7y = 57
A. ? B. {(7, 2)} C. {(6, 3)} D. {(-3, 6)}
Mathematics
Complete.8
pt = cups
A. 32 B. 34 C. 17 D. 16
Mathematics
For the given functions f and g, find the requested function and state its domain.f(x) = 16 - x2; g(x) = 4 - xFind f + g.
A. (f + g)(x) = 4 + x; {x|x ? -4} B. (f + g)(x) = x3 - 4x2 - 16x + 64; all real numbers C. (f + g)(x) = -x2 - x + 20; all real numbers D. (f + g)(x) = -x2 + x + 12; all real numbers
Mathematics
Use a polar coordinate system to plot the point with the given polar coordinates.(4, 315°)
A. 
B. 
C. 
D. 
Mathematics