3 1/2 into an improper fraction

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.

W-16=-12 solve each one step equation plz

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.