Solve each problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs 
for two opposite sides, and 
for the other two sides. Find the dimensions of the field of area 
that would be the cheapest to enclose.
A. 15.7 ft @ $7 by 54.9 ft @ $2
B. 8.4 ft @ $7 by 102.6 ft @ $2
C. 54.9 ft @ $7 by 15.7 ft @ $2
D. 102.6 ft @ $7 by 8.4 ft @ $2
Answer: A
Mathematics
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Solve the system using a graphing calculator capable of performing row operations. Give solutions with values correct to the nearest thousandth.0.6x + 4.9y - 
z = 7
x - 18y + 10z = -13x + 
y - 4.9z = 
A. {(2.084, -1.741, 3.529)} B. {(3.431, 1.930, 2.606)} C. {(-7.733, -5.025, 3.491)} D. {(8.110, 0.749, 2.619)}
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Draw a line that has the given slope and 
A. y = 3x - 3 B. y = -3x + 3 C. y = 3x + 3 D. y = -3x - 3
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Add.
A. 1535 B. 927 C. 1025 D. 1028
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Write the ratio in simplest form.$10 to $25
A. 
B. 
C. 
D. 
Mathematics