Three to the -9 power over three to the -12 power simplify

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

What is the slope of the line (-7,2) (4,6)

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish