Which relations are functions choose all that correct

(40 points) i need some . an answer definition is appreciated as well.

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

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.