Round each number to its highest place value to estimate the product or quotient.315 ? 24
A. 96,000
B. 6300
C. 7680
D. 6000
Answer: D
Mathematics
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Solve the problem.The owner of a video store has determined that the cost C, in dollars, of operating the store is approximately given by 
where x is the number of videos rented daily. Find the lowest cost to the nearest dollar.
A. $588 B. $791 C. $669 D. $710
Mathematics
Solve the polynomial inequality. Express the solution using interval notation.x2 + 7x + 12 > 0
A. (-3, ?) B. (-4, -3) C. (-?, -4) D. (-?, -4) ? (-3, ?)
Mathematics
Multiply using the product rule.
? 
A. 
B. 12x
C. 
D. 35x
Mathematics
The bar graph shows the number of students who flunk Dr. Jones' class each year. 
During which year(s) did exactly 4 students flunk Dr. Jones' class?
A. 1993, 2003 B. 2003 C. 1993 D. 1993, 2001
Mathematics