A direct variation includes the points (5, 15) and (n, 12). Find n.
what is n?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

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.

What’s -11-33k and factor each expression completely