Multiply by first changing the decimal to a fraction. Multiply the fractions; then write the answer as a decimal.0.2 × 0.9

A. 1.8
B. 0.18
C. 0.0018
D. 0.018


Answer: B

Mathematics

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Solve.How many 5-card hands are possible with two 52-card decks?

A. 1,092,624 B. 47,842,522 C. 91,962,620 D. 2,598,960

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Determine if the relation is a function. Assume x is the independent variable.{(-4, 20), (-3, 13), (0, 4), (3, 13), (5, 29)}

A. Yes B. No

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Without graphing the function, determine its amplitude or period as requested.y = 2 cos xFind the period.

A. 2
B.
C.
D. 6?

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Find the product.(x + 9y)(x - 9y)

A. x2 - 18y2 B. x2 + 18xy - 81y2 C. x2 - 81y2 D. x2 - 18xy - 81y2

Mathematics