Mannys brother ran 487.5 meters. 487.5 meters= 48750 centimeters
Answer:
Opposite exterior angle
Step-by-step explanation:
D the identity property of addition. Adding zero to any number does not change the number
Simplest form would be 3x+18
3(4x+6)-9x
12x+18-9x
-9x
3x+18