Simplify.- 
A. 
B. - 
C. does not exist as a real number
D. - 
Answer: B
Mathematics
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Solve the problem.Evaluate 
at (u, v) = (1, 3) for the function z = xy - y2; x = u - v, y = uv.
A. -21 B. 4 C. 1 D. -2
Mathematics
Convert to fraction notation.18
A. 
B. 
C. 
D. 
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Find the perimeter.A rectangular coal bin has a length of 
feet and a width of 
feet.
A. 8
feet
B. 16
feet
C. 8
feet
D. 16
feet
Mathematics
What is the rate of change of the function whose graph is a line passing through 
and 
?
?
A. 1 B. 3 C. 4 D. 0 E. The rate of change is undefined.
Mathematics