ECONIMICS: In the table below, we have provided a list of consumers who are in the market for a new music CDs. Next to their name, we list the quantity of new CDs each one wants to buy. In the last column, we list the maximum price each one is willing and able to pay for the new product.

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

Can someone answer this question for me

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?