Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs 
per foot for two opposite sides, and 
per foot for the other two sides. Find the dimensions of the field of area 
that would be the cheapest to enclose. Round to the nearest tenth.
A. 21.2 ft @ $3 by 42.4 ft @ $6
B. 42.4 ft @ $3 by 21.2 ft @ $6
C. 15 ft @ $3 by 60 ft @ $6
D. 60 ft @ $3 by 15 ft @ $6
Answer: B
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Solve.What is the compression ratio of a gasoline engine whose expanded cylinder volume is 225 cu in. and whose compressed volume is 18 cu in.?
What will be an ideal response?
Find an equation for the line with the given properties.Parallel to the line -4x - y = 2; containing the point (0, 0)
A. y = - 
x
B. y = 
x + 2
C. y = 
x
D. y = -4x
Write the number in scientific notation.0.000004045
A. 4.045 x 106 B. 4.045 x 10-7 C. 4.045 x 10-5 D. 4.045 x 10-6
Find the domain and range of the function represented in the graph.
A. Domain: [-2?, 2?]; Range: [-4, 4] B. Domain: [-?, 2? ]; Range: [-3, 3] C. Domain: [-3, 3]; Range: [-?, 2?] D. Domain: [-?, 2?]; Range: [0, 3]