Answer:
Your car is faster of course
Step-by-step explanation:
100 km would be 100000 meters. Then you would need to know that if Usain bolt ran 100 meters every 9.54 sec then in 100000 meters he would have ran 9540 seconds which is also known has 159 minutes, which is more than 1 hour so your car is faster.
I think it’s positive. As it gets heavier, the cost has a positive slope, or increases. I’m not absolutely sure though
Answer:
The answer is 8x.
Step-by-step explanation:
It is 8x.
EXCEPT,
Is it 
or 
If it is then the answer is 
PLEASE MARK BRAINLIEST
Basically 1/2 equals 2 and times x equals 2x. X is a variable an unknown number so 2x +4 and that's how you get your answer
