Solve for the variable. 1) 8 - X-X=-16

plsss help me explain me slow

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Find the maximum value of p= 4x + 5y subject to the following constraints :

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?