Solve the problem.A 200 gal tank is half full of distilled water. At time = 0, a solution containing 1 lb/gal of concentrate enters the tank at the rate of 4 gal/min, and the well-stirred mixture is withdrawn at the rate of 
When the tank is full, how many pounds of concentrate will it contain?
A. 100 pounds
B. 200 pounds
C. 120 pounds
D. 150 pounds
Answer: D
Mathematics
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How would you write 0.0286 in scientific form?
a. 2.86 ð 103 b. 1 ð 102ú86 c. 1 ð 10-2ú86 d. 2.86 ð 10-2 e. 2.86 ð 10-4
Mathematics
Use the data to construct a frequency distribution.A teacher asked each of her students how many novels they had read in the previous six months. The results are shown below.
Construct a frequency distribution, letting each class have a width of one.
A. 
B. 
C. 
D. 
Mathematics
Write as a number.Five million, nine hundred sixty-seven thousand, three hundred eighteen.
A. 50,967,318 B. 5,967,318 C. 5,000,967,318 D. 59,067,318
Mathematics
Provide the proper response.For the graph of (x - h)2 + (y - k)2 = r2, in what quadrant is the center if h > 0 and k > 0?
A. IV B. I C. II D. III
Mathematics