Josiah has a loyalty card good for a discount at his local grocery store. The item he wants to buy is priced at $21, before discount and tax. After the discount, and before tax, the price is $18.27. Find the percent discount.

P= $1400,300 r = 7 1/2% t = 4 what is i ? $4.29 $429.00 $4290.00

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3