Hey i need help thank ya'll! =D

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?

Susie wants to take her friend out for lunch. she wants to spend $9.75 each person. how much will she spend in all.

What are the domain and range of f(x)= -log5(x+2)