Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.
A. 1 - a2
B. 1
C. 
D. 
Answer: C
Mathematics
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Solve the problem.Find the centroid of the region cut from the first quadrant by the line 
.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 1, 
= 
D. 
= 
, 
= 1
Mathematics
Use the limit comparison test to determine if the series converges or diverges.
A. Converges B. Diverges
Mathematics
Use set notation to list all the elements of the set.The natural numbers between -3 and 1, not inclusive
A. {-2, -1, 0} B. {0} C. ? D. {0, 1}
Mathematics
Provide an appropriate response.A frustum of a pyramid has a square base that is 25 cm on each side, a square top that is 
on each side, and a height of 18 cm. Find the volume of the frustum.
What will be an ideal response?
Mathematics