Solve the problem using a known formula.How long would it take to drive 350 kilometers if your average rate of speed was 50 kilometers per hour?
A. 40 hr
B. 175 hr
C. 7 hr
D. 8 hr
Answer: C
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Use the quotient rule to simplify.
A. 
B. 
C. 
D. 
Solve the problem.At a ticket booth, customers arrive randomly at a rate of x per hour. The average line length is 
where 
To keep the time waiting in line reasonable, it is decided that the average line length should not exceed 10 customers. Solve the inequality 
to determine the rates x per hour at which customers can arrive before a second attendant is needed.
A. 0 ? x ? 19 B. 0 ? x ? 17 C. 0 ? x ? 18 D. 0 ? x ? 20
Express the number in scientific notation.391,320,000
A. 3.9132 × 10-7 B. 3.9132 × 107 C. 3.9132 × 108 D. 3.9132 × 10-8
Provide an appropriate response.What is true of both the first term and the last term in a binomial expansion?
What will be an ideal response?