What is the pattern to find the missing numbers in each table?

This is so hard and it’s for a test

Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.