If something is marked down 40% what expression in a new retail price

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.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Find the domain and range of the following function f(x) = 51x - 21+ 4