Solve the problem.The owner of a video store has determined that the average daily cost, in dollars, of operating the store is given by 
where x is the number of videos rented. Find the cost at the vertex of the parabola (the minimum cost). Round your answer to the nearest dollar.
A. $262
B. $406
C. $478
D. $622
Answer: C
Mathematics
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Solve the inequality. Describe the solution with a graph.-20x - 28 ? -4(4x + 3)
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality. Describe the solution set using inequality notation.-x + 15 ? 3
A. x < 12 B. x ? 12 C. x > 12 D. x ? 12
Mathematics
Use the Urban Prices Index Table to answer the question. The table shows what $100 worth of an item costs today. 
*All figures are expressed as a percent of the base of 100 from two decades ago.Urban area: ChicagoWhat does $100 of Transportation cost today?
A. $219.20 B. $186.30 C. $213.40 D. $112.40
Mathematics
Solve the problem.There are 1364 students registered at Lincoln Community College. 393 of them are men. How many women are registered?
A. 961 women B. 971 women C. 1657 women D. 1757 women
Mathematics