Solve the problem.If a costume designer takes 63 hours to make 18 costumes, at what rate per hour are costumes being made?

A. 0.3 costume/hour
B. 1.3 costume(s)/hour
C. 0.6 costume(s)/hour
D. 3.5 costumes/hour


Answer: A

Mathematics

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Multiply the binomials.(3x2 + 4)(5x - 7)

A. 15x2 + 20x - 28 B. 15x3 - 21x2 - 20x - 28 C. 15x3 - 21x2 + 20x - 28 D. 15x3 - 28

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Perform the desired operation. Write the answer in the form a + bi.4i(6 - 7i)

A. 24i - 28i2 B. 24i- 28 C. 24i + 28i2 D. 28+ 24i

Mathematics

Solve using Cramer's Rule.

A. (-9, 6) B. (6, 9) C. (-6, -9) D. (9, 6)

Mathematics

Tell whether the relation is a function.

A. Function B. Not a function

Mathematics