Atoy rocket is launched from a platform 42 feet above the ground at a speed of 91 feet per second. the height of the rocket in feet is given by the polynomial −16t^2 + 91t + 42, where t is the time in seconds. how high will the rocket be after 3 seconds? a. 122 feetb. 218 feetc. 93 feetd. 2570 feet

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?