Solve.A rectangle has an area of 3x2 + 25x + 42. Find possible dimensions for this rectangle.

A. 3x - 36 by x + 6
B. x + 7 by x + 6
C. 3x + 7 by x + 6
D. x - 36 by x + 6


Answer: C

Mathematics

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Find the limit. ey2 sin-1

A. ?
B. 0
C.
D. 1

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Find an equation of the ellipse that satisfies the given conditions.

Foci: (0, ± 8), vertices (0, ± 9)

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Subtract and write the resulting polynomial in descending order of degree.(9x + 3) - (4x - 8)

A. 5x - 11 B. 13x - 11 C. 13x + 11 D. 5x + 11

Mathematics

Simplify. Write your answers in the form of a+bi, where a and b are real numbers.

A.  -  i
B.  +  i
C.  +  i
D.  +  i

Mathematics