Solve the system.
A. x = 0, y = 1, z = 0
B. x = -1, y = 1, z = 1
C. x = 0, y = 0, z = 1
D. x = 1, y = -1, z = 1
Answer: C
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Solve for x.log5 625 = x
A. 5 B. 625 C. 20 D. 4
Evaluate. The differential is exact.
A. 
B. 1
C. 3
D. 0
Provide an appropriate response.End-of-year book value is:
A. the previous year's end-of-year book value minus the current year's depreciation B. all are appropriate references to end-of-year book value C. total cost minus accumulated depreciation D. figured differently depending on which year it is in the depreciation schedule
Solve the problem.Suppose that we wish to distribute the two-digit random numbers from 00 through 99 so that the corresponding random numbers can be used to simulate the sightings of UFO's in a given region. If the numbers 00 to 40 correspond to 0 sightings, what is the estimated probability of 0 sightings?
A. It is not possible to tell with the given information.
B. 0
C. 
D. 