Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $8 per foot for two opposite sides, and $5 per foot for the other two sides. Find the dimensions of the field of area 660 ft2 that would be the cheapest to enclose.
A. 20.3 ft @ $8 by 32.5 ft @ $5
B. 16.1 ft @ $8 by 41.1 ft @ $5
C. 32.5 ft @ $8 by 20.3 ft @ $5
D. 41.1 ft @ $8 by 16.1 ft @ $5
Answer: A
Mathematics
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Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = 12, v(0) = -8, s(0) = -13
A. s = 12t2 - 8t - 13 B. s = 6t2 - 8t - 13 C. s = -6t2 + 8t - 13 D. s = 6t2 - 8t
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Multiply..51(.586)
A. .0029886 B. .29886 C. 29.886 D. .029886
Mathematics
Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.(x-2y5)-2
A. 
B. 
C. 
D. 
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Plot the graph of the function f in an appropriate viewing window.
f(x) = x + 0.02sin40x
Mathematics