Find A-1, if it exists.A = 

A. Does not exist
B.
C.
D.


Answer: B

Mathematics

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Subtract.(-24) - 9

A. -33 B. 33 C. 15 D. -15

Mathematics

Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.

A.
B.
C.
D.

Mathematics

Find the quotient and the remainder.-10x3 + 24x2 - 3x + 17 divided by 5x - 2

A. -2x2 + 4x + 1; remainder 19 B. -2x2 + 4x + 1; remainder 22 C. -2x2 + 4x + 1; remainder 0 D. x2 + 1; remainder 4

Mathematics

Find zw or  as specified. Leave your answer in polar form.z = 10(cos 30° + i sin 30°)w = 5(cos 10° + i sin 10°)Find zw.

A. 15(cos 40° + i sin 40°) B. 15(cos 300° + i sin 300°) C. 50(cos 300° + i sin 300°) D. 50(cos 40° + i sin 40°)

Mathematics