Solve the problem.In a survey about the number of siblings of college students, the following probability table was constructed: 
What is the probability that a student has 1, 2, or 3 siblings?
A. 0.64
B. 0.32
C. 0.9
D. 0.5
Answer: A
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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) - 
1,580,000 ohms =
a. 1.58 kilohms b. 1.58 milliohms c. 1.58 microhms d. 1.58 megohms e. 1.58 teraohms
Use the amortization table to find the monthly payment. 9% APR Monthly Payment Schedule 
$10,000 for 30 years
A. $120.69 B. $80.46 C. $101.43 D. $201.15
Solve the problem. Round your answer to the nearest cent.Tara invests $850 in an account paying 8.2% compounded annually. How much is in the account after 2 years?
A. $139.40 B. $996.48 C. $995.64 D. $995.12