Solve the problem.A tank initially contains 100 gal of brine in which 40 lb of salt are dissolved. A brine containing 
of salt runs into the tank at the rate of 4 gal/min. The mixture is kept uniform by stirring and flows out of the tank at the rate of 3 gal/min. Find the solution to the differential equation that models the mixing process.
A. y = 4(50 + t) - 
B. y = 4(50 + t) - 
C. y = 2(100 + t) - 
D. y = 2(100 + t) - 
Answer: C
Mathematics
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Write the number using digits.seven thousand, six
A. 7006 B. 7600 C. 7060 D. 76,000
Mathematics
Provide an appropriate response.Multiply the fractions and reduce: 
? 
A. 
B. 
C. 
D. 
Mathematics
Write the whole number in words.9,300,695
A. nine million, three thousand, six hundred ninety-five B. ninety-three thousand, six hundred ninety-five C. nine million, three hundred thousand, six hundred ninety-five D. nine million, thirty thousand, six hundred ninety-five
Mathematics
Write out the terms of the series.
A. -2592 - 15,552 - 93,312 - 559,872 - 3,359,232 B. 96 - 192 + 384 - 768 + 1536 C. 20,736 - 248,832 + 2,985,984 - 35,831,808 + 429,981,696 D. -192 + 384 - 768 + 1536 - 3072
Mathematics