Find the product and write the result in standard form.(-8 - 6i)(5 + i)

A. -34 + 22i
B. -46 - 38i
C. -46 + 22i
D. -34 - 38i

Answer: D

Mathematics

Solve the problem.How many 5-letter passwords can be formed from the letters P, A, Y, M, E, N, T if no repetition of letters is allowed?

A. 42 B. 1260 C. 35 D. 2520

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Mathematics

Find the largest open interval where the function is changing as requested.Decreasing f(x) =

A. (-4, ?) B. (-?, -4) C. (-?, 4) D. (4, ?)

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Mathematics

Simplify completely.

A.
B.
C.
D.

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Mathematics

Simplify the radical expression. Assume that all variables represent positive real numbers.

A.
B.
C. x⁹
D. 9x⁹

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Mathematics