At a special sale, all pens are sold at one price and all pencils at another price. If 3 pens and 2 pencils are sold for $0.47 (forty-seven cents) while 2 pens and 3 pencils are sold for $0.38 (thirty-eight cents), what is the cost of a set of one pen and one pencil in cents?

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?