Tracey paid $170 for an item that was originally priced at $580. what percent of the original price did tracey pay? round your answer to two decimal places.

Taking algebra two apex courses and need with these questions

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

Given: m zade = 60° and m2cdf = (3x + 15) prove: x = 15