Simplify.
A. 
B. 
C. 
D. 
Answer: C
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Evaluate the integral.
A. - 
csc 7t cot 7t - 
ln
+ 
+ C
B. - 
csc 7t cot 7t + 
ln
+ C
C. 
csc 7t cot2 7t - 
ln
+ C
D. - 
csc 7t cot 7t - 
ln
+ C
Give the value of the indicated trigonometric function of a vector with the indicated end point.(0, -2); Find cos ?.
A. 1 B. -2 C. 2 D. 0
Write the equation of the line with the given conditions.passing through (3, -7) and perpendicular to the line with equation 4x - 5y = -23
A. y = - 
x - 
B. y = - 
x - 
C. y = 
x - 
D. y = - 
x - 
Solve the problem. Round amounts to the nearest cent and percents to the nearest tenth of a percent.Markup = $5.64; Selling price = $64.04. Find the cost and the rate of markup based on cost.
A. Cost: $69.68 Rate of markup based on cost: 8.8% B. Cost: $58.40 Rate of markup based on cost: 9.7% C. Cost: $64.04 Rate of markup based on cost: 8.8% D. Cost: $69.68 Rate of markup based on cost: 8.1%