Perform the indicated operation(s). Simplify if possible.
+ 7
A. 
B. 
C. 4 + 7x
D. 4x + 7
Answer: B
Mathematics
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Evaluate the algebraic expression for the given values of the variables.10x - 3y for x = 8 and y = -4
A. 92 B. -64 C. 16 D. 68
Mathematics
Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. f(-2, -6) = -34, saddle point B. f(2, -6) = -50, local minimum C. f(-2, 6) = 110, local maximum D. f(2, 6) = 94, saddle point
Mathematics
Using a sum or difference identity, write the following as an expression involving functions of ?.tan 
A. -tan ?
B. 
C. 
D. tan ?
Mathematics
Find the perimeter of the figure.Parallelogram
A. 96 m B. 61 m C. 87 m D. 122 m
Mathematics