If f(x) = x-1 and g(x) = 2x, what is and g(f(x))

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

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?

The price of one share of a company’s stock declined $13.89 every day for 2.5 days what was the stocks total decline in price