Answer:Vented Brake Rotors are common on most modern vehicles. They have a hollow channel between the inner and outer surfaces. This channel (or vent) allows the rotor to shed more heat. This helps to prevent Brake Fade
Step-by-step explanation:
First one is 97
2nd one is 8000
2. 22
6. 12
7. 420x^3
10. 7
14. 1