Manuel Romo sells tires at the local shopping mall. Romo earns 20 percent commission on the first $500, 25 percent on the next $1,000, and 30 percent
on sales over $1,500. Last weekend he sold $1,940 worth of tires. What is his
total commission?

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 .

What is the circumference of a circle with an area of 50.24 cm²?

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y