Solve the problem.A vertical right circular cylindrical tank measures 22 ft high and 10 ft in diameter. It is full of oil weighing 
How long will it take a 1/2 hp pump, rated at 
to pump the oil to the level of the top of the tank? Give your answer to the nearest minute.
A. 22 min
B. 4147 min
C. 138 min
D. 69 min
Answer: D
Mathematics
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Divide and simplify.
÷ 
A. x - 4
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Are both 2 and 
natural numbers, integers, or irrational numbers?
A. Irrational numbers B. Integers C. Natural numbers D. None of the above
Mathematics
Use the graph to write the inequality or system of inequalities.
A. y ? x - 4 x > 2 B. y ? x - 4 x < 2 C. y ? x - 4 x > 2 D. y ? x - 4 x < 2
Mathematics
Write the expression as a pure imaginary number.
A. -2
i
B. -2
C. 2
i
D. 2
Mathematics