Can anyone help with this problem ASAP it’s a timed test PLz

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?

If i have 20$ and i gave 5$ away how much i got

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?