Evaluate the expression for the given value of x.
?
-2x0, x = 20
?
A. -40
B. -2
C. 40
D. 2
E. 4
Answer: B
Mathematics
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Solve the problem.A vertical right circular cylindrical tank measures 24 ft high and 10 ft in diameter. It is full of oil weighing 
How long will it take a (1/2)-horsepower (hp) motor (work output 
to pump the oil to the level of the top of the tank? Give your answer to the nearest minute.
A. 26 min B. 82 min C. 165 min D. 4935 min
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Classify the random variable as either discrete or continuous.The voltage-power production of a nuclear power plant
A. Discrete B. Continuous
Mathematics
Find the area of the shaded region.
A. 2 B. 2 + 2? C. ? D. 2?
Mathematics
Write in the required form.
; mixed number
A. 7
B. 6
C. 8
D. 7
Mathematics