Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = -i + 3j, w = 6i - 6j
A. 75.6°
B. 63.4°
C. 2.8°
D. 153.4°
Answer: D
Mathematics
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A. Binomial, degree -9 B. Binomial, degree 0 C. Monomial, degree 2 D. Monomial, degree -9
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Find the exact value using a double-angle identity.sin 
A. 
B. - 
C. - 
D. 
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Find the area of the rectangle or square.Length = 10 yd, width = 6 yd
A. 32 yd2 B. 120 yd2 C. 16 yd2 D. 60 yd2
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Find the area of a sector of a circle having radius r and central angle ?. If necessary, express the answer to the nearest tenth.r = 7.4 mi, ? = 314°
A. 20.3 mi2 B. 300.1 mi2 C. 150.1 mi2 D. 55.6 mi2
Mathematics