Add. + 

A.
B.
C.
D.


Answer: D

Mathematics

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Sketch D and g(D) from the description of D and change of variables u = xy, v =  where D is the rectangle 1 ? u ? 4,  ? v ? 2?

A.

?

B.
?

C.
?

D.
?

Mathematics

Solve the system of equations. x - y + 2z = -34x + z =  -2 x + 4y + z = -6

A. {(0, -1, -2)} B. {(-2, -1, 0)} C. {(-2, 0, -1)} D. ?

Mathematics

Perform the indicated operations and write the result in standard form.

A. -3 + i
B. -3 + i
C. -3 - i
D. 3 + i

Mathematics

Solve the problem.The medians of a triangle intersect at a point. The distance from the vertex to the point is exactly two-thirds of the distance from the vertex to the midpoint of the opposite side. Find the exact distance of that point from the vertex A(3, 4) of a triangle, given that the other two vertices are at (0, 0) and (8, 0).

A. 2
B.
C.
D.

Mathematics