6.6.6.6.6 en exponentes​

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?

Find the solution on the interval [0, 2pi)

0.75,1.75,2.75,3.75 is arithmetic or geometric?