Josiah paints with watercolors on a sheet of paper 28 inches wide by 16 inches high. He then places this sheet on a mat so that a uniformly wide strip of the mat shows all around the picture. The perimeter of the mat is 112 inches. How wide is the strip of the mat showing around the picture?
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(a) 2 inches
(b) 8 inches
(c) 3 inches
(d) 6 inches
(e) 4 inches
(c) 3 inches
Mathematics
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Perform the indicated operation and, if possible, simplify.
? 
A. 
B. 
C. 
D. 
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Solve the inequality.x2 + 7x ? 0
A. (-?, 0] or [7, ?) B. [0, 7] C. (-?, -7] or [0, ?) D. [-7, 0]
Mathematics
Evaluate.i15
A. i B. -1 C. 1 D. -i
Mathematics
Find all of the real zeros of the function. Give exact values whenever possible. Identify each zero as rational or irrational.f(x) = x3 + 6x2 - 22x - 48
A. -8 (rational), 8 (rational), -6 (rational)
B. -8 (rational), 
(irrational), and -
(irrational)
C. -8 (rational), 1 + 
(irrational), and 1 - 
(irrational)
D. -8 (rational), 2 + 
(irrational), and 2 - 
(irrational)
Mathematics