Find the product and write the result in standard form.(-6 + 9i)(5 + i)

A. -21 + 39i
B. -21 - 51i
C. -39 + 39i
D. -39 - 51i


Answer: C

Mathematics

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Evaluate the factorial expression.

A. 1 B. 90 C. 10 D. 45

Mathematics

Find the area bounded by the indicated curves.y = , x = 0, y = 1, y = 5

A.
B.
C. 124
D.

Mathematics

Solve the application and answer with a complete sentence.Varun put $610 in a savings account that gained 10.5% interest. How much interest did the account gain after 6 years?

A. The account gained $3843.00 interest after 6 years. B. The account gained $64.05 interest after 6 years. C. The account gained $384.30 interest after 6 years. D. The account gained $640.50 interest after 6 years.

Mathematics

Add or subtract as indicated. Express the answer as a single polynomial in standard form.(7x7 + 19x6 - 6) - (6x6 + 2x7 + 4)

A. 8x13 B. 5x7 + 13x6 - 10 C. 5x7 + 21x6 - 2 D. 5x7 + 13x6 - 2

Mathematics