Provide an appropriate response.
South Dakota is approximately the shape of a rectangle. If it averages 202 miles in width and has an area of 77,047 square miles, what is the average length of the state in whole numbers?
A. 77,249 miles
B. 381 miles
C. 15,563,494 miles
D. 381.4 miles
Answer: B
Mathematics
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Solve the problem.If f(?) = cos ? and f(a) = 
, find the exact value of f(a) + f(a + 2?) + f(a + 4?).
A. 
+ 6?
B. 
C. 
D. 
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÷ 8
A. 
B. 
C. 
D. 
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Use elimination by substitution to find the solution for the following system.
A. x = 5, y = 2, z = -2 B. x = -2, y = 5, z = 2 C. x = 5, y = -2, z = 2 D. The system is inconsistent.
Mathematics