Rewrite the expression with positive exponents then, if the expression is numeric, evaluate it.5-4
A. 625
B. 
C. -625
D. 
Answer: B
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Evaluate the improper integral.
A. 
B. 
C. 
D. 
List the critical values of the related function. Then solve the inequality.
? 
A. No critical values; ? B. 4; (-?, 4] C. No critical values; (-?, ?) D. 8; [8, ?)
Solve the problem.A new exhibit is scheduled to open at the local museum. Museum officials expect that 8000 people will visit the exhibit in its first week, and that the number of visitors will drop by 10 people per week after the first week during the first 6 months. Find the total number of visitors expected in the exhibit's first 7 weeks.
A. 47,850 visitors B. 55,730 visitors C. 55,790 visitors D. 39,850 visitors
Solve the problem.The BBQ committee always orders one pound of ribs for each person who signs up for the Homecoming BBQ, plus 10 extra pounds of ribs. The committee ordered 115 pounds of ribs this year. Solving the equation 
will give the number of people who signed up for the BBQ. Solve the equation.
A. n = 10 people B. n = 115 people C. n = 125 people D. n = 105 people