Tom and Maria are on roller skates and push each other. Tom and Maria part and go in opposite direction. 1. The direction of the force Maria exerts on Tom. [ Select ] 2. In what direction is the force that Tom exerts on Maria? [ Select ] 3. For Maria, the direction of friction [ Select ] 4. Calculate the Maria's average acceleration if she receives a push with a 450-N force, the resistance force on her roller blades is 90 N, and her mass is 55 kg. [ Select ] 8.18 m/s^2 1.64 m/s^2 6.55 m/s^2 9.82 m/s^2