Answer:
The speed of sound is 2.23 times of the speed of race car
Step-by-step explanation:
Given that,
The speed of a race car =
The speed of sound =
Dividing the speed of sound to the speed of a race car. So,
So, the speed of sound is 2.23 times of the speed of race car.
8x+8
8x=-8
x=-1
i’m pretty sure this is what you mean
6 inches the night is I look it up on edgnuity
4 x+9=13 X=4 subtract 9 from the 9 and 13 and 13-9 =4 so x=4