The size of the monthly repayment k that amortizes a loan of A dollars in N years at an interest rate of r per year, compounded monthly, on the unpaid balance is given by
The value of r can be found by performing the iteration
6.1%
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Find the indicated probability. Round your answer to 6 decimal places when necessary.A sample of 4 different calculators is randomly selected from a group containing 46 that are defective and 23 that have no defects. What is the probability that all four of the calculators selected are defective?
A. 0.0625 B. 0.1975 C. 0.1888 D. 18.4286
Provide an appropriate response.One way to measure a person's cardiofitness is to calculate how many METs, or metabolic units, he or she can reach at peak exertion. One MET is the amount of energy used when sitting quietly. To calculate ideal METs, we can use the expression: 
Researchers recommend that a person reach approximately 85% of his or her MET when exercising. Calculate 85% of the ideal MET for a 65-yr-old woman. Then refer to the following table. What activity can the woman do that is approximately this value? 
A. 6.25; Mowing lawn B. 5.313; Ballroom or square dancing C. 5.313; Walking D. 6.25; Swimming
Find the area.
A. 6728 ft2 B. 232 ft2 C. 3364 ft2 D. 116 ft2
Perform the operations and simplify.
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Assume that no denominators are 0.
?
A. ?
B. ?
C. ?
D. ?