Atool set is on sale for $424.15, the original price of the tool set was 499.00. what percent of the original price is the sale price

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?

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes