Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.(-2x2y)4
A. 16x8y4
B. -8x2y4
C. 16x6y4
D. -8x2y
Answer: A
Mathematics
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Provide an appropriate response.Important news is said to diffuse through an adult population of fixed size L at a time rate proportional to the number of people who have not heard the news.Set up a differential equation for 
where N(t) is the number of people who have heard the news t days after it is reported. Write the solution to the differential equation. Find 
N(t).
What will be an ideal response?
Mathematics
Reduce the fraction to simplest form.
A. r - s
B. Cannot be simplified
C. r + s
D. 
Mathematics
Find an equation of the line.
A. y = - 
x + 6
B. y = -3x + 6
C. y = -3x
D. y = 6
Mathematics
Use any method to factor:
Mathematics