Tracy is running in a 5.25km race on saturday. a marathon is approximately 42km. how many times as long as tracy's race is a marathon?

Match each function with the corresponding function formula when h(x)=5-3x and g(x)=-3+5

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 .

For which pair of functions is (gof)(a)=|a|-2?