Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 5i + 4j, w = 2i - 6j
A. 147.1°
B. 57.1°
C. 110.2°
D. 74.5°
Answer: C
Mathematics
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Find the equivalent markup. Round to the nearest tenth of a percent.Markup on cost: 
Markup on selling price: 46.3%
A. 31.6% B. 86.2% C. 13.8% D. 68.4%
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Use long division to find the quotient and the remainder
A. quotient: x + 2; remainder: -2 B. quotient: x - 2; remainder: 0 C. quotient: x2 - 2; remainder: 5 D. quotient: x2 + 3x - 4; remainder: 0
Mathematics
Use the vectors in the figure below to graph the following vector. 
v - w 
A. 
B. 
C. 
D. 
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Multiply the conjugates.(-2 - 10i)(-2 + 10i)
A. 8 B. -12 C. 104 D. -96
Mathematics