Find the indicated sum.

A. 4940
B. 4807
C. 4522
D. 4636


Answer: D

Mathematics

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Perform the indicated operation.(4n7 - 6n + 3n5) + (9n5 + 8n7 + 7n)

A. 25n13 B. 12n + 12n7 + 1n5 C. 12n7 + 12n5 + 1n D. 2n7 + 13n5 + 10n

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Find the area. Use 3.14 for ? as necessary.

A. 109.9 cm2 B. 961.625 cm2 C. 3846.5 cm2 D. 219.8 cm2

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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 unit vector having the same direction as v.v = 3i

A. u = i
B. u = i
C. u = 3i
D. u = 9i

Mathematics