Plaese !
what is the mean average of hours completing homework each week based on the table below:
number of hours each week completing homework 1 2 3 4 5
# of students 6 20 15 12 7

Determine whether the angles in each given pair are coterminal. 744°, -336°

How do i do this activity, is appreciated

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip