Evaluate the integral. 
A. ln 
- 
+ C
B. 
- 5 sec -1 
+ C
C. 
- 5 sec -1 
+ C
D. ln 
- 
+ C
Answer: C
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Solve the problem.During a sale, a store sells red-dot items at a 30% discount and yellow-dot items at a 10% discount. A shopper bought red- and yellow-dot items with a combined regular price of $44.00. If the total discount was $8.00, how much did the shopper spend on each kind of item?
A. Red-dot items: $23.40 Yellow-dot items: $12.60 B. Red-dot items: $18 Yellow-dot items: $26 C. Red-dot items: $12.60 Yellow-dot items: $23.40 D. Red-dot items: $26 Yellow-dot items: $18
Find the center and radius of the circle.x2 + y2 - 18x - 8y = -72
A. (4, 9), r = 5 B. (-4, -9), r = 25 C. (9, 4), r = 5 D. (-9, -4), r = 25
Simplify the expression.-34
A. -12 B. -81 C. 81 D. 1
Find an algebraic expression equivalent to the given expression.cos (arctan 
)
A. 
B. 
C. 
D. 