Solve the differential equation.-xy' - y = y-2
A. y2 = -1 + Cx-3
B. y3 = -1 + Cx-3
C. y2 = 1 - Cx-3
D. y3 = 1 - Cx-3
Answer: B
Mathematics
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What is the scale factor of the following dilation? The distance between a vertex of the smaller figure is 5 cm, and the distance between the corresponding vertex of the larger figure is 13 cm.
?
?
A.
?The scale factor is 
.
B.
??The scale factor is 
.
C.
??The scale factor is 
.
D.
??The scale factor is 
.
E.
?None of the above.
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Divide and simplify.
A. -16x12 + 9x4 B. 4x8 - 36x8 C. 4x8 + 9x4 D. 13x16
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Solve the problem.Determine the point on the paraboloid 
that is closest to the point 
A. (3, 2, 84) B. (2, 3, 59) C. (-2, 3, 59) D. (3, -2, 84)
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Sketch the angle in standard position.
?
A. 
B. 
Mathematics