Find the dot product v ? w.v = -3i,w = 5j

A. 0
B. 2
C.
D. -15


Answer: A

Mathematics

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Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability.The second marble is white given the first marble is blue.

A.
B.
C.
D.

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Solve.A rectangle is 4 feet longer than it is wide and has an area of 60 square feet. What are its dimensions?

A. 6 × 14 ft B. 6 × 10 ft C. 7 × 10 ft D. 10 × 14 ft

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Solve by completing the square.y2 + 3y - 9 = 0

A.
B.
C.
D. -3 ± 3

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Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The length of the nail is 28 .

A. cm B. mm C. km D. m

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