Find the LCD for the given fractions.
and 
A. 40xy
B. 40xy2
C. 40x2y
D. 40x3y
Answer: C
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Solve the problem.A tree casts a shadow that is 60 ft long when a 5 ft tall woman casts a shadow of 9 ft. How tall is the tree?
A. 108 ft
B. 45 ft
C. 60 ft
D. 33
ft
Provide an appropriate response.Give three ways for representing the solution set of an inequality.
What will be an ideal response?
Answer the question.The numbers ? and ? + 
determine the points A and B, respectively, on the unit circle. How are the points A and B related?
A. B is the reflection of A about the x-axis. B. B is the reflection of A through the origin. C. The symmetry relationship between A and B cannot be determined without knowing the value of ?. D. B is the reflection of A about the y-axis.
Solve.Sue wants to add a decorative wallpaper border to her living room. Refer to the diagram below for the dimensions of Sue's living room. How many feet of wallpaper border will she need?
A. 72 ft B. 84 ft C. 88 ft D. 80 ft