Perform the indicated operations and simplify the result. Leave the answer in factored form.

A.
B.
C. 48
D. 1

Answer: D

Mathematics

Find the standard deviation. Round to one more place than the data.19.6, 12.6, 38.9, 31.8, 22.5, 21.4

A. 4031.6 B. 9.38 C. 35.4 D. 3591.7

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Mathematics

Find the exact value of the expression.cos (-390°)

A. -
B.
C. -
D.

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Mathematics

Find the requested term in the sequence.Given that the sequence 2, 9, x, y, 31, . . . is a Fibonacci sequence, find x and y.

A. 11, 20 B. 13, 22 C. 20, 29 D. 11, 13

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Mathematics

Solve the exponential equation.22x = 216.8

A. 2 B. 8.4 C. 16.8 D. -8.4

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Mathematics