Find the dot product v ? w.v = 7i - 3j, w = 9i + j

A. 0
B. 66
C. -20
D. 60


Answer: D

Mathematics

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Factor the polynomial completely.2y10 - 11y5 - 40

A. (2y5 + 5)(y5 - 8) B. y8(2y + 5)(y - 8) C. (2y5 + 8y3 + 5)(y5 - 5y3 - 8) D. (2y5 - 5)(y5 + 8)

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Factor the trinomial.10z2 + 11z - 6

A. (10z + 3)(z - 2) B. (2z + 3)(5z - 2) C. (2z - 3)(5z + 2) D. (10z + 1)(z - 6)

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Simplify the given expression algebraically. ?

A.
B.
C.
D.
E. 1

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Multiply or find the special product. ? ?

A.
B.
C.
D.
E.

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