Which statement describes a unique way to the medium of radio allows the “katrina and beyond” radio program to provide context to its story

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 expression is equivalent to (2x-1)(x-3)?

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?