8 - 6x = 4 + 2x in verbal sentences

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

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 .

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?