Find the exact value of the expression.sin2
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.A share of stock loses 21% in value and then gains 21% . How does its ending value compare with its initial value?
A. More B. The same C. Less
Mathematics
Calculate. Write the answer in lowest terms and as a mixed number where appropriate.5
÷ 5
A. 1
B. 1
C. 1
D. 2
Mathematics
Solve the problem.Find the sum of the series 
by expressing 
as a geometric series, differentiating both sides of the resulting equation with respect to x, and replacing x by 
.
A. 
B. 4
C. 
D. 
Mathematics
Provide an appropriate response.Explain why the solution of a system of equations is the point of intersection of the graphs of the equations.
What will be an ideal response?
Mathematics