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 either enough paint or enough border or both. (Assume a ceiling height of 8' for each room.)
A. {Juanita, Manuel}
B. All
C. {Jane, Roger, Noriko, Sun Woo}
D. None
Answer: C
Mathematics
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Write the linear system as a matrix equation in the form AX = B, where A is the coefficient matrix and B is the constant matrix. 2x + 3z= 17 2y + 7z = 21 2x + 5y + 5z = 54
A. 
= 
B. 
= 
C. 
= 
D. 
= 
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A. Yes. B. No.
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A. 1,000 times more energy B. 10 times more energy C. 5,623 times more energy D. 31,623 times more energy E. 1,000,000 times more energy
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