Solve the problem.At what height (in ft) above the shoreline of Lake Michigan must an observer be in order to see a point 4 mi distant on the surface of the lake? (The radius of the earth is  and 

A. 12.8 ft
B. 10.6 ft
C. 2.6 ft
D. 3 ft


Answer: B

Mathematics

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A. - 
B.
C.
D. - 

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Perform the indicated operation. Assume that all variables represent nonnegative real numbers. + 5x + 3x 

A. 2x2 + 20x
B. 22x
C. 22
D. 84x

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Write the partial fraction decomposition of the rational expression.

A.  +  + 
B.  +  + 
C.  +  + 
D.  +  + 

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Find the GCF.8x4, 32x3

A. 8x4 B. 8x3 C. 12x3 D. 32x4

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