Solve the problem.A square yard has a 5-foot wide sidewalk around a square lawn. If the sides of the yard, including the sidewalk, have length y, find a polynomial that gives the area of the sidewalk.

A. 20y + 100
B. 10y - 25
C. 10y + 100
D. 20y - 100


Answer: D

Mathematics

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Provide an appropriate response.Use the fact that cot x =  -  for |x| < ? to find the first four terms of the series for ln(sin x).

A. - 
B.  +  +  +  + ...
C. ln|x| - 
D. - ln|x| +  +  +  + ...

Mathematics

Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.14y2 + 63y - 35

A. prime B. 7(2y + 1)(y - 5) C. 7(2y - 1)(y + 5) D. (14y - 7)(y + 5)

Mathematics

Perform the indicated operations in the proper order.

A. 1
B. 4
C. - 1
D.

Mathematics

Add or subtract. Simplify the answer. - 

A.
B.
C.
D.

Mathematics