A man uses a 11-foot bar to lift a 108-pound tire. He places a rock 2 feet from the tire to act as the fulcrum. How much force must he exert to lift the tire?
A. 108 lb
B. 12 lb
C. 24 lb
D. 9 lb
Answer: C
Mathematics
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Given the series  Figure 3.png)
estimate the error in using the partial sum  FIGURE 1.png)
by comparison with the series  multiple choice.png)
What will be an ideal response?
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Solve.Find the hypotenuse of a right triangle if the lengths of its legs are 4 and 
.
A. 2
B. 
C. 3
D. 14
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Solve the problem.Find the average rate of change.
Minutes Cellular Phone is Used
A. $0.75 per min B. $1.33 per min C. $2.44 per min D. $0.17 per min
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