Solve the problem.The probability that an assembly line works correctly depends on whether the line worked correctly the last time. Find the probability that the line will work in the long run. Round your answer to the nearest thousandth.WorksDoes not 
A. 0.667
B. 0.700
C. 0.665
D. 0.333
Answer: A
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Solve the problem.The stiffness of a rectangular beam is proportional to its width times the cube of its depth. Find the dimensions of the stiffest beam than can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 7.0 in.; d = 11.4 in. B. w = 5.0 in.; d = 11.4 in. C. w = 6.0 in.; d = 10.4 in. D. w = 7.0 in.; d = 9.4 in.
Convert the angle in radians to degrees.
A. 210° B. 165° C. 150° D. 160°
State the solution set to the inequality by reading the graph.
< 0
y = 
A. (5, 10) B. (-?, 5) ? (10, ?) C. (-?, 5) D. (-?, 10) ? (10, ?)
Solve the problem.If the height of a rectangular solid is held constant, the volume varies jointly with the length and the width. If the volume is 120 cubic inches when the length is 8 inches and the width is 3 inches, find the volume when the length is 7 inches and the width is 4 inches.
A. 160 in.3 B. 112 in.3 C. 105 in.3 D. 140 in.3