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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A. -4x2 - 64 B. 4x2 + 32x + 64 C. -4x2 + 64 D. 4x2 - 64
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Determine whether or not the number is written in scientific notation.0.18 × 107
A. in scientific notation B. not in scientific notation
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Determine whether the equation defines y as a function of x. y2 + x = 4
A. function B. not a function
Mathematics
Determine whether the vectors 
and 
are equivalent.A(5, 4), B(11, 11), C(5, 7), and D(11, 14)
A. Not equivalent B. Equivalent
Mathematics