Rewrite the equation such that each resulting term or combination is in an integrable form.y dx + xy2 dy + y3 dx = x dy
A. 
+ (xy dy + y2 dx) = 0
B. 
+ (x dy + y dx) = 0
C. (y dx - x dy) + (xy2 dy + y3 dx) = 0
D. 
+ (y dy - x dy) = 0
Answer: B
Mathematics
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A. 
B. - 
C. 
D. - 
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A. 61 B. 50 C. 52 D. 39
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Add or subtract. Simplify your answer to lowest terms.
- 
A. 
B. 2x + 4
C. 
D. 
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Solve the problem.Suppose that an open box is to be made from a square sheet of cardboard by cutting out 
squares from each corner as shown and then folding along the dotted lines. If the box is to have a volume of 16 cubic inches, find the original dimensions of the sheet of cardboard. 
A. 
in. by 2
in.
B. 2 in. by 2 in.
C. 10 in. by 10 in.
D. 4 in. by 4 in.
Mathematics