I will give cookie if u do this for me

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

With alll of except for the 2 that i did already

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