Find projv u.v = 3j, u = 4i + 3k

A. 0
B. j
C. i  + j 
D. i  + j  +  k


Answer: A

Mathematics

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Find the vertices and foci of the ellipse.49x2 + 64y2  = 3,136

A. Vertices: (0, ±8); Foci (0, ±)
B. Vertices: (±8, 0); Foci: (±, 0)
C. Vertices: (0, ±7); Foci (0, ±)
D. Vertices: (±7, 0); Foci: (±, 0)

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Evaluate using Table 1 or CAS.

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Identify the base. Do not evaluate.-43

A. 4 B. 3 C. -3 D. -4

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Determine what percent of the figure is shaded.

A. 70% B. 85% C. 12.5% D. 87.5%

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