Simplify the expression. All variables represent positive numbers.
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Which of the following is not a justification of being able to construct a parallelogram? ?
A. ?Construction techniques create a quadrilateral with opposite sides congruent. B. ?Construction techniques create a quadrilateral with opposite sides parallel. C. ?Construction techniques create a quadrilateral with opposite congruent angles. D. ?Construction techniques create a quadrilateral with all angles congruent. E. ?None of the above.
Mathematics
Solve the given differential equation.(-10y + 4x) dy + 4y dx = 0
A. y2 + 4xy = c B. -5y2 + xy = c C. 5y2 + 4xy = c D. -5y2 + 4xy = c
Mathematics
Find the magnitude of the vector.
= 
A. 157
B. 
C. 
D. 
Mathematics
Solve the system by the substitution method.
+ y2 = 16 
A. 
B. 
C. 
D. 
Mathematics