Find the volume of a sphere with a great circle that has a circumference of 42 πft

If a boat travels 3 miles in 1.5 hours how far will it travel in 1 hour

Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground

What does independent variable and dependent variable mean in math?