Solve the problem.Suppose r = 
, v = 
, and w = 
. Find v ? w.
A. 32
B. 
C. 
D. -18
Answer: A
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Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 4 ln 
+ 
+ C
B. 2 ln 
- 
+ C
C. 4 ln 
+ 
+ C
D. 4 ln 
- 
+ C
Give an appropriate answer.A statistics student takes a poll of residents at a local retirement home to find out which presidential candidate the sample of residents favors. Based on her results, she makes a prediction about which candidate will win the election. Comment on the fairness of her prediction. What might she do to improve her poll?
What will be an ideal response?
Solve.
= 
A. 
B. 
C. 
D. 
Write the expression as the cosine of an angle, knowing that the expression is the right side of the formula for 
with particular values for ? and ?.cos (155°) cos (35°) + sin (155°) sin (35°)
A. cos (120°) B. cos (220°) C. cos (210°) D. cos (190°)