What shape would you get if you cut off one of the corners of a rectangular prism

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

What is the circumference of the pie