Solve.Corrin borrows $5500 and agrees to pay it back in 7 years. If the simple interest rate is 12%, find the total amount she pays back.
A. $10,120
B. $51,700
C. $46,200
D. $4620
Answer: A
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Solve the problem. Round to the nearest cent.A corporation had a net income of $4,013,000, no preferred shares, and 1,320,000 common shares. Find the earnings per share.
A. $3.04 B. $304.00 C. $0.33 D. $2.04
Determine what m and b represent.The population, in millions, of a city t years after 2010 is given by 
A. 4.0 million is the population of the city in 2010 and 0.09 million is the decrease per year in the population. B. 4.0 million is the population of the city in 2010 and 4.09 million is the population in 2011. C. 4.0 million is the population of the city in 2010 and 0.09 million is the increase per year in the population . D. 0.09 million is the population of the city in 2010 and 4.0 million is the increase per year in the population .
Solve the problem.The chart represents the amount of fuel consumed by a machine used in manufacturing. The machine is turned on at the beginning of the day, takes a certain amount of time to reach its full power (the point at which it uses the most fuel per hour), runs for a certain number of hours, and is shut off at the end of the work day. The fuel usage per hour of the machine is represented by a periodic function. When does the machine first reach its full power?
A. After 4 hours B. After 7 hours C. After 2 hours D. After 14 hours
Solve the problem.In 1990 the world reserves of aluminum ore stood at 75,000,000,000 tons. World use of aluminum that year was 100,000,000 tons, and the demand was growing exponentially at 10% per year. Assuming this growth rate continues, and no new deposits of ore are discovered, in what year will the world reserves of aluminum ore be exhausted?
A. 2058 B. 2079 C. 2033 D. 2110