Write the fraction.According to a recent study, 16 out of 23 visits to a hospital emergency room were for an injury. What fraction of emergency room visits were injury-related?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use percents, percent equations, and/or percent proportions to solve the application.A company has 25 franchises in China. This number is expected to increase to 32 over the next three years. What is this percent increase?
A. 72% B. 21.9% C. 28% D. 7%
Mathematics
Solve the equation:
Mathematics
Find the derivative of the function.
?
What will be an ideal response?
Mathematics
Solve the problem.A ladder x feet long leans against a house and makes an angle ? with the horizontal. The base of the ladder is 8 feet from the house. Then 
Use a reciprocal identity to rewrite this formula.
A. 8 sec ?
B. 
C. 8 sin ?
D. 
Mathematics