Simplify.5x3(9x + 2)
A. 45x4 + 10x3
B. 45x + 10
C. 45x4 + 2
D. 55x3
Answer: A
Mathematics
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Evaluate.
× 5
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Write an "area" word problem for which finding the solution would involve evaluating the double integral 
What will be an ideal response?
Mathematics
Provide an appropriate response.Use the following sets to give the elements in the set indicated: U = {1,2,3,4,5,6,7,8}, A = {2,4,6,8}, B = {1,2,3,4,5}. A ? B
A. {1,2,3,4,5,6,8} B. { } C. {2,4} D. {1,2,3,4,5,6,7,8}
Mathematics
Graph the ellipse described.Foci at (±5, 0); length of the major axis is 12
A. 
B. 
C. 
D. 
Mathematics