Find the value of x
115-5x-10

Solve the equation by completing the square. x^2+2x=17

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute

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?