Solve the system of equations using Cramer's rule.3x + 5y = -336x + 7y = -48

A. (-2, -5)
B. (0, -7)
C. (-1, 6)
D. (-1, -6)


Answer: D

Mathematics

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Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.

A. 1.00 × 10-11 B. 1.11 × 10-10 C. 9.09 × 10-13 D. 8.33 × 10-14

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Evaluate the surface integral of the function G over the surface S.G(x, y, z) = ; S is the surface of the parabolic cylinder 28y2 + 7z = 14 bounded by the planes  x = 1, y = 0, and z = 0

A.
B.
C.
D.

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Write the complex number in rectangular form.8 cis 135°

A. -4 + 4i
B. 4 - 4i
C. 8 + 4i
D. 8 - 4i

Mathematics

Solve.A baseball manager has 11 players of the same ability. How many 9 player starting lineups can he create?

A. 362,880 B. 55 C. 99 D. 19,958,400

Mathematics