Provide an appropriate response.A man 6 ft tall walks at a rate of 5 ft/sec away from a lamppost that is 13 ft high. At what rate is the length of his shadow changing when he is 65 ft away from the lamppost?
A. 
ft/sec
B. 
ft/sec
C. 
ft/sec
D. 
ft/sec
Answer: D
Mathematics
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Determine if the given polar coordinates represent the same point.(8, ?/2), (-8, 3?/2)
A. Yes B. No
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Determine if the given value is a solution to the equation.4m - 2 = - 37 - 3m; m = -5
A. No B. Yes
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Factor by grouping.r2 + 7r + 2r + 14
A. (r + 7)(r - 2) B. (r - 7)(r - 2) C. r(r + 23) D. (r + 7)(r + 2)
Mathematics
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Mathematics