Find the requested vector.v = 2i - 2j + k, u = -4i - 4j + 5kFind a vector orthogonal to both v and u.
A. -6i - 14j - 16k
B. -6i - 7j + 7k
C. 6i + 7j + 2k
D. 24i + 21j + 36k
Answer: A
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Multiply.(4x - 12)(x - 2)
A. 4x2 - 20x + 24 B. x2 - 20x - 21 C. 4x2 - 21x + 24 D. x2 + 24x - 20
Find the number of diagonals of a dodecagon (12 sides). (A line segment connecting any two nonadjacent vertices is called a diagonal of the polygon.)
A. 24 B. 12 C. 144 D. 132 E. 54
A hole in the side of a large metal tank needs to be repaired. A piece of rectangular sheet metal of area 
will patch the hole. If the length of the sheet metal must be 
ft longer than its width what will the dimensions of the
sheet metal be? A. The width is 44 ft, The length is 3.25 ft. B. The width is 11 ft, The length is 13 ft. C. The width is 13 ft, The length is 11 ft. D. The width is 11 ft, The length is 11 ft. E. The width is 13 ft, The length is 13 ft.
Multiply to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.2
? 23
A. 61
B. 60
C. 51
D. 46