Answer:
The first is true.
8 · 21 = 168
The second is false.
The third is false.
The fourth is true.
Step-by-step explanation:
Last one.....car travels 9 meters and then travels 9 meters in opposite direction
6x-42=4x
6x= 4x +42
2x= 42
x=21
I would say A) is your answer.
This is my choice, so I might be wrong.
Glad I could help, and good luck!
