Jackson purchased a pack of game cards that was on sale for 22% off. the sales tax in his county is 6%. let y represent the original price of the cards. write an expression that can be used to determine the final cost of the cards.

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%