Use a combination of rules for exponents to simplify. Write answers with only positive exponents. Assume that all variables represent nonzero real numbers.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the volume.Find the volume of the solid generated by revolving the area under y = 3e-x in the first quadrant about the x-axis
A. 9?
B. 3?
C. 18?
D. 
?
Mathematics
Factor by grouping.x3 + 2x2 + 8x + 16
A. (x - 2)(x2 + 8) B. (x + 2)(x2 + 8) C. (x + 2)(x2 - 8) D. (x + 2)(x + 8)
Mathematics
Provide an appropriate response.Explain why the sum of the coefficients in the expansion of 
is zero. Give an example.
What will be an ideal response?
Mathematics
Simplify the expression. Write the result using positive exponents only.(x-2y5)-2
A. 
B. 
C. 
D. 
Mathematics