Classify the angle as acute, obtuse, straight, or right.

A. Right
B. Obtuse
C. Straight
D. Acute

Answer: B

Mathematics

Perform the indicated operation.(-14.2)(-2.31)

A. 328.02 B. 3.2802 C. 32.802 D. 0.32802

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Mathematics

Factor the sum or difference of two cubes completely.4k3 + 32

A. 4(k + 2)(k2 + 2k + 4) B. 4(k - 2)(k2 + 2k + 4) C. 4(k + 2)(k2 - 2k + 4) D. 4(k + 8)(k2 - 8k + 16)

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Mathematics

Find all complex zeros of the polynomial function. Give exact values. List multiple zeros as necessary.f(x) = x3 + 7x2 - 16x + 18

A. 1 + i, -9, 9 B. 1 + i, 1 - i, 9 C. 1 + i, 1 - i, -9 D. 1 + i, 1 - i, 9i

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Mathematics

Select from the list of numbers all that belong to the specified set.Irrational numbers-5, 6.4 × 107, 6, 1.2, 2, 0.

A. 6, 0.
B. 6, 2, 0.
C. -5, 6.4 × 10⁷, 0., 2
D. 6

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Mathematics