Solve the problem. =

A. 26
B. 336
C. 56
D. 6720
E. none of these


Answer: C

Mathematics

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Find the length of the curve with the given vector equation.r(t) = 4t3/2i  + (6t sin t)j + (6t cos t)k ; -4 ? t ? 7

A. 213 B. 408 C. 165 D. 264

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Use the table to calculate the tax owed. Round to the nearest cent.Married couple filing jointly with two dependent children Gross income: $94,000 Adjustments: none Deductions: $12,000 mortgage interest $2500 property taxes $5000 charitable contributions Tax credit: $2000

A. $3927.50 B. $6285.00 C. $4240.00 D. $8685.00

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A sorority has 27 members, 21 of whom are full members and 6 are pledges. Two persons are selected at random from the membership list of the sorority. Find the probability: the first person selected is a pledge. ?

A.
B.
C.
D.
E.

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Find the standard deviation (rounded to the nearest unit), for the data below. Test scoreFrequency9028037010606502?

A.
B.
C. ?
D. ?
E. ?

Mathematics