Solve.Metric countries rate the fuel efficiency of a car by the number of liters of gasoline required to drive 100 kilometers. If a car takes 8 liters per 100 kilometers, what is its efficiency in miles per gallon? Use the conversions 1 gal ? 3.7854 L and 1 mile ? 1.6 km.
A. 29.6 mpg
B. 0.189 mpg
C. 47.3 mpg
D. 18.9 mpg
Answer: A
Mathematics
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A. 
B. 
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Mathematics
Solve the problem.A bridge is built in the shape of a semielliptical arch. It has a span of 120 feet. The height of the arch 27 feet from the center is to be 7 feet. Find the height of the arch at its center.
A. 15.56 ft B. 7.18 ft C. 27.19 ft D. 7.84 ft
Mathematics
Simplify the expression using the product and quotient properties of square roots. Assume that any variables represent positive real numbers.
A. 2a2
B. 2
C. 16a
D. 2a
Mathematics
Using interval notation, write the set.{x| x > 8}
A. (8, ?] B. [8, ?] C. (8, ?) D. [8, ?)
Mathematics