Hellp thhis is really important its for my grade so i can get some christmas break

Ten times the square of a non-zero number is eqaul to ninety times the number

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?

597008.439431 to the nearest thousand