Find the power of i.i40
A. -1
B. 1
C. -i
D. i
Answer: B
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Solve the problem. Use the given table to find monthly payments. 
Harold took out a 4-year amortized loan for $19,000 at 10% to pay his tuition at a technical institute. After 1 year, he refinanced the unpaid balance of $14,933 at a 6% interest rate. Find the monthly payment on the original loan; the monthly payment on the new loan; and total amount saved on interest by refinancing. All interest rates are annual interest rates.
A. $481.84; $454.26; $6774.96 B. $481.84; $481.89; $992.88 C. $481.84; $481.89; $6774.96 D. $481.84; $454.26; $992.88
Answer the question asked. When necessary, round to the nearest hundredth.A car travels 400 miles on level terrain in the same amount of time it travels 160 miles on mountainous terrain. If the rate of the car is 30 miles per hour less in the mountains than on level ground, find its rate in the mountains.
A. 50 mph B. 80 mph C. 40 mph D. 20 mph
Subtract. Write the answer in lowest terms as a mixed number.
A. 5
B. 5
C. 6
D. 4
Solve the problem.Two recording devices are set 2200 feet apart, with the device at point A to the west of the device at point B. At a point on a line between the devices, 400 feet from point B, a small amount of explosive is detonated. The recording devices record the time the sound reaches each one. How far directly north of site B should a second explosion be done so that the measured time difference recorded by the devices is the same as that for the first detonation?
A. 1580.49 feet B. 1028.57 feet C. 2173.71 feet D. 1024.7 feet