A pool measuring 20 meters by 30 meters is surrounded by a path of uniform width, as shown in the figure. If the area of the pool and the path combined is 1824 square meters, what is the width of the path?

Anyone know? will mark brainliest if you're correct!

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

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?