Simplify. Assume that each variable is nonnegative.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find dy/dx without eliminating the parameter.x = 
, y = 
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume that all variables are non-negative. 
A. 
B. 
C. 
D. 
Mathematics
Solve for the requested variable.h varies jointly as f and g. Find h when f = 12, g = 7, and k = 3.
A. h = 28
B. h = 252
C. h = 84
D. h = 
Mathematics
Graph the ellipse.5x2 + 25y2 = 225 
A. 
B. 
C. 
D. 
Mathematics