Please answer this question im desperate.. thank you

If f(x)= 3x+6 which of the following is the inverse of f(x)

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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.