4.A machine that originally had an estimated useful life of 10 years, but after 4 completed years, management decided that the original estimate of useful life should have been 6 years. At that point the remaining cost to be depreciated should be allocated over the remaining: A. 2 years B. 5 years C. 7 years D. 12 years E. 10 years

Danny draws a transversal, t, on two parallel lines ab and cd, as shown below: he makes the following table to prove that the alternate interior angles are equal: which is the missing justification? (6 points) corresponding angles formed by a transversal on parallel lines are supplementary. corresponding angles formed by a transversal on parallel lines are congruent. co-interior angles formed by a transversal on parallel lines are congruent. co-exterior angles formed by a transversal on parallel lines are congruent.

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?