Answer:
x<-3
Step-by-step explanation:
subtract the +6 from both sides
then divide both sides by 4 to get the x by itself.
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.
The box is 3 units high because 9x2x3 equals 54.
If I'm wrong I'm sorry.
1) Answer:

2) Answer:

The answer for first equation is, option B.
and the Answer for Second equation is option D.
A is ur answer hope u get a good grade with the rest