Factor by grouping.3x2 - 9xy + 4xy - 12y2

A. (3x + 4y)(x - 3y)
B. (3x - 4y)(x - 3y)
C. (3x + 4y)(x + 3y)
D. (3x2 + 4y)(1 - 3y)


Answer: A

Mathematics

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The table shows Jose's expenses for one month. Use the table to answer the question.How much more did Jose spend on food than on phone bills?Monthly ExpensesRent$403Food$159Car repairs, gas$97.57Utilities$68.64Phone (long distance)$69.41Phone (local)$23.55Drumming lessons$96Entertainment$61.48

A. 66.04 B. 113.14 C. 57.92 D. 89.59

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Round the decimal to the given place value.0.9971, nearest hundredth

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Assume that the national health care expenditure H (in billions of dollars) can be modeled (that is, accurately approximated) by the formula  where t is the number of years past 1960. Approximate the national health expenditure in 1974. Round your answer to the nearest tenth of a billion. ?

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Mathematics