Solve the problem.A triangle has a perimeter of 60 inches. Its shortest side measures 3 inches shorter than its middle side, and its longest side measures 18 inches longer than its middle side. Find the lengths of the triangle's three sides.
A. 16 inches, 13 inches, 31 inches
B. 12 inches, 15 inches, 33 inches
C. 28 inches, 25 inches, 7 inches
D. 24 inches, 27 inches, 9 inches
Answer: B
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Find the area of the polygon.
A. 166.6 m2 B. 107.8 m2 C. 215.6 m2 D. 49 m2
Solve. Express any nonreal complex numbers with i notation.x4 - 2x2 - 8 = 0
A. x = ±
, ± 2i
B. x = ± 2, ± i
C. x = 2, i
D. x = -4, 2
Solve.A box is constructed by cutting out square corners of a rectangular piece of cardboard and folding up the sides. If the cutout corners have sides with length x, then the volume of the box is given by the polynomial 
Factor out the greatest common factor for this expression.
A. 4x(x2 - 18x + 45) B. 4(x3 - 18x2 + 45x) C. 4x(x2 + 18x + 45) D. 2x(2x2 - 36x + 90)
Translate to a proportion and solve. When necessary, round to the nearest hundredth.What is 140% of 3470?
A. 486 B. 48,580 C. 4858 D. 485,800