Convert to rectangular coordinates.

A. (-1, )
B. (, -1)
C. (1, )
D. (- , 1)


Answer: D

Mathematics

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Divide.

A. 18 B. 24 C. -24 D. -18

Mathematics

Evaluate the integral by making a substitution and then using a table of integrals.

A.  + C
B.  + C
C.  - ln(2+ 3)  + C
D. ln(2x2 + 3x)

Mathematics

Determine the number of spanning trees in the graph.

A. 12 B. 60 C. 61 D. 13

Mathematics

Simplify the expression. Select the correct answer.

Mathematics