Simplify the complex fraction.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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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
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 50 ? 52
A. 25 B. 10 C. 0 D. 7
Mathematics
Divide and reduce to lowest terms.
÷ 
A. 
B. 
C. - 
D. 
Mathematics
Make the indicated conversion between American and metric units of capacity using the given property or properties. Round the answer to the nearest tenth unless instructed otherwise.60 liters to gallons (1 L ? 0.26 gal)
A. 15.6 gal B. 14.2 gal C. 27.0 gal D. 63.6 gal
Mathematics