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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Find the requested value.Find cot ? if tan ? = 
and ? is in Quadrant III.
A. - 
B. 
C. 
D. - 
Mathematics
Perform the indicated operation. Assume that all variables represent nonnegative real numbers.
+ 5x
+ 3x
A. 2x2
+ 20x
B. 22x
C. 22
D. 84x
Mathematics
Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
Mathematics
Find the GCF.8x4, 32x3
A. 8x4 B. 8x3 C. 12x3 D. 32x4
Mathematics