Factor the sum or difference of two cubes.x3 + 64
A. (x + 4)(x2 - 4x + 16)
B. (x + 4)(x2 + 16)
C. (x - 64)(x2 - 1)
D. (x - 4)(x2 + 4x + 16)
Answer: A
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Each of six decorators has to paint a room (walls only) and put a wallpaper border around the room at the ceiling. One gallon of paint covers 400 sq ft, and one roll of border contains five yards. Each decorator has one gallon of paint and three rolls of border.The list gives the name of each decorator and the size of the room. 
Give the names of the decorators who will have enough paint, but will not have enough border for their rooms. (Assume a ceiling height of 8' for each room.)
A. {Jane, Roger} B. {Yong Sun, Sergey} C. {Consuela, Manuel} D. None
Add.3 + 8.23
A. 12.24 B. 11.23 C. 11.33 D. 5.23
Simplify the expression.5a - 2a + 3
A. 3a + 3 B. -3a + 3 C. 7a + 3 D. 6a
Graph the solution of the system.
A. 
B. 
C. 
D. 