Simplify the expression involving rational exponents.81/3
A. 16
B. 2
C. 48
D. 6
Answer: B
Mathematics
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Solve.The normal gasoline mileage of a car is 45 mpg. On a smooth road, its mileage is 12% higher. What is its mileage on a smooth road? Round your answer to the nearest tenth.
A. 5.4 mpg B. 50 mpg C. 45 mpg D. 50.4 mpg
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Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos(2?) = 
, 0 < ? < 
Find sin ?.
A. 
B. 
C. 
D. 
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