Sketch the vectors u and w with angle ? between them and sketch the resultant.
= 8, 
= 3, ? = 80°
A. 
B. 
Answer: B
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Find the surface area or volume.Use numerical integration with a programmable calculator or a CAS to find, to two decimal places, the area of the surface generated by revolving the curve 
about the x-axis.
A. 7.21 B. 9.29 C. 1.48 D. 14.42
Write the equation of the line with the given conditions.passing through (-8, -3) and parallel to the line with equation 5x - 7y = 9
A. y = 
x + 
B. y = - 
x - 
C. y = - 
x - 
D. y = 
x - 
Find the first five terms of the sequence defined by the given general term.an = (-1)n + 5
A. -1, 1, -1, 1, -1 B. 1, -1, 1, -1, 1 C. 1, 1, 1, 1, 1 D. -1,-1,-1,-1,-1
Decide whether the statement is an example of the commutative, associative, identity, inverse, or distributive property.2 ? 5 = 5 ? 2
A. Identity B. Associative C. Distributive D. Commutative