PLZ HELP You have no more than $105 to spend you want a drink that costs 3.50 including tax and you want to buy a pair of wrangler bootcut jeans, which will have an 8% sales tax. write an inequality that represents the amount of money you have to spend

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?