PLEASE HELP! i have by the end of the day to turn this in. PLEASE DONT GUESS

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?

Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?

Multiply and simplify 2x^2 y^3 z^2 · 4xy^4 x^2