Tell whether the rates are equivalent. 0.75 kilometer for every 30 minutes
1.25 kilometers for every 50 minutes

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 .

Empty box + box + empty box fill in the box is equal to 30 how

Which graph represents the function g(x) = |x + 4| + 2?