What is the largest to the smallest from 2/3, 1/2,3/5 and 7/10

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project

The average distance in miles traveled in one hour if 660 miles can be covered in 1.5 hours