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 12 feet by 15 feet and the area of the rug is 108 square feet, how wide will the border be?
A. 1.5 ft
B. 1 ft
C. 3 ft
D. 2.2 ft
Answer: A
Mathematics
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Solve the system. x - y + 3z = -124x + z = -5 x + 5y + z = -20
A. (-5, -3, 0) B. (0, -3, -5) C. (-5, 0, -3) D. No solution
Mathematics
Multiply and simplify.
? 108x
A. 
B. 
C. 6,804x
D. 
Mathematics
Write the rational expression as an equivalent expression with the indicated denominator.
= 
A. 
B. 
C. 
D. 
Mathematics
Find the limit using 
= 1.
A. 
B. 0
C. 
D. does not exist
Mathematics