Solve the equation. Express radicals in simplest form.9x2 + 5x - 4 = 0

A. , 0
B. , -1
C. , -1
D. , 1

Answer: B

Mathematics

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Perform the indicated operation. Assume that all variables represent nonnegative real numbers.5 + 5

A. 5
B. 5
C. 25x
D. 25

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Mathematics

Find the sum of the series.

A. 90 B. 36 C. 56 D. 83

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Solve and graph.f + 11 < 2

A. f ? -9

B. f ? -9 

C. f < -9 

D. f > -9 

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Mathematics

Use the change of base formula to approximate the expression to four decimal places.log4 208

A. 0.2597 B. 1.3863 C. 5.3375 D. 3.8502

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Mathematics