Solve.The length, y, of the picture is triple its height, x. It took molding 240 inches long to frame the picture. Find the dimensions of the frame. 
A. length: 30 in.
height: 90 in.
B. length: 180 in.
height: 60 in.
C. length: 60 in.
height: 180 in.
D. length: 90 in.
height: 30 in.
Answer: D
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Solve the problem.How much will it cost to carpet a 18 ft by 21 ft room if carpeting costs $12.00 per square yard?
A. $1,512.00 B. $4,536.00 C. $378.00 D. $504.00
Solve the right triangle ABC with C = 90°. Your answer should give an angle in decimal degrees when given an angle in decimal degrees and in degrees and minutes when given an angle in degrees and minutes. Use the rules for significant digits.B = 82°28', c = 13.39 ft
A. A = 8°32', a ? 13.27 ft, b ? 1.755 ft B. A = 7°32', a ? 13.27 ft, b ? 1.76 ft C. A = 7°32', a ? 1.755 ft, b ? 13.27 ft D. A = 7°32', a ? 1.76 ft, b ? 13.27 ft
Solve.x + 12.6 = 33.1
A. 21.5 B. 20.5 C. 20 D. 24.5
Solve using Cramer's rule.
A. (-4, -2) B. (4, 2) C. (-2, 4) D. (2, 4)