Decompose into partial fractions.

A. 2x - 5 +  + 
B. 2x + 5 -  + 
C. 2x - 5 -  + 
D. 2x + 5 +  + 


Answer: D

Mathematics

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Solve the problem.The charcoal from a tree killed in a volcanic eruption contained 68.5% of the  found in living matter. How old is the tree, to the nearest year? Use  for the half-life of 

A. 5700 years B. 1495 years C. 3111 years D. 2157 years

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Provide an appropriate response.Represent the set -2 ? x on a number line.

A.
B.
C.
D.

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Provide an appropriate response.Find the ratio of the area of a circumscribed circle of a square to the area of the inscribed circle.

A.  : 1
B. 4 : 1
C. 2 : 1
D. 3 : 2

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