Plz plz please answer it fast urgent

Find the slope of the line y =8/9x + 1.

What number should be added to both sides of the equation to complete this square? x^2-10x=7

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.