Can someone teach how to evaluate a log like this?

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Which of the following circles have their centers in the third quadrant? check all that apply.