Help me and J give brainlest

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3