Find the least common denominator.
and 
A. (x + 4)(x + 2)
B. (x + 2)(x - 6)
C. (x + 4)(x + 2)(x - 6)
D. (x - 4)(x - 2)(x - 6)
Answer: C
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Solve the problem.The total cost of owning and operating a mini-van when you have driven 6000 miles is 
while the total cost when you have driven 10,000 miles is 
. Find and interpret the slope of the line connecting the points (6000, 2000) and (10,000, 3333.33).
A. The cost decreases $12 per mile. B. The cost increases $0.33 per mile. C. The cost decreases $3.00 per mile. D. The cost increases $12 per mile.
Perform the indicated operation. Write the result in scientific notation.
A. 40 × 1019 B. 40 × 1018 C. 9 × 1018 D. 9 × 1019
A certain strain of bacteria divides every three hours. If a colony is started with 50 bacteria, then the time t (in hours) required for the colony to grow to N bacteria is given by  figure 1.png)
. Find the time required for the colony to grow to two million bacteria.
What will be an ideal response?
Provide an appropriate response.Find the product: 5x2(3x + 2y)
What will be an ideal response?