Kevin is hiking on a trail that is 4.2 miles long. so far, he has hiked 80% of the total distance. how many more miles does kevin have to hike in order to complete the trail?

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.