An airplane flying with the wind takes 4 hours to travel a distance of 720 miles. The return trip takes 6 hours flying against the wind. What is the speed of the airplane in still air and how fast is the wind blowing?

Ared balloon starts at 7.3 meters off the ground and rises at 2.6 meters per second. a blue balloon starts at 12.4 meters off the ground and rises at 1.5 meters per second. when will the balloons be at the same height?

Which ratio is equivalent to 10: 85

5/6+7/8what is the answer sealsdbdbshd