Determine the angle between u and v. Give the angle in degrees rounded to the nearest tenth of a degree.u = 3j, v = 9i - 3j
A. 71.6°
B. 108.4°
C. 161.6°
D. -18.4°
Answer: B
Mathematics
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x - 
? -7 + x; 2
A. A solution B. Not a solution
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Find the exact circumference of the circle in terms of ?.
A. 729.01? units B. 54.2? units C. 13.5? units D. 27.1? units
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Solve.8.5% of 1600 is what?
A. 1360 B. 136 C. 14 D. 13,600
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Multiply, simplifying completely. Write answers as mixed numbers whenever possible.2
× 3
A. 9
B. 7
C. 6
D. 10
Mathematics