Express the integrand as a sum of partial fractions and evaluate the integral.
A. 
ln 
+ C
B. ln 
+ C
C. 
ln 
+ C
D. 
ln 
+ C
Answer: D
Mathematics
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Solve the problem.A rug is to fit in a room so that a border of even width is left on all four sides. If the room is 19 feet by 23 feet and the area of the rug is 285 square feet, how wide will the border be?
A. 3 ft B. 4.5 ft C. 2 ft D. 4 ft
Mathematics
The object shown in the figure is a cube (all edges are equal in length).
?
?
Suppose the length of diagonal CF in the figure is 
feet. What is the length of edge AC?
?
A. 5 inches
B. 
inches
C. 
inches
D. 
inches
E. 
inches
Mathematics
Evaluate the expression without using a calculator.(-27)-4/3
A. -81
B. 81
C. 
D. - 
Mathematics
Graph the circle.x2 + y2 - 10x - 12y + 52 = 0
A. 
B. 
C. 
D. 
Mathematics