How do I solve this: a scale model of a human heart is 16 ft long. The scale is 32:1. How many inches long is the actual heart it represents? Please help I have no idea how to solve this; give me steps or something. THANKS!

Factor the monomial completely 42a3b3

List the sides of δrst in in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

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?