Dvd cases are sold in packages of 20. padded mailing envelopes are sold in packages of 12. what is the least number of cases and envelopes you could buy so that there is one case for each envelope with none left over?

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

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x