Answer:

Step-by-step explanation:
Given that,
Height of the cylinder, h = 6 mm
Radius of the cylinder, r = 4 mm
We need to find the volume of the cylinder. The formula for the radius of the cylinder is given by :

Putting given values,

So, the volume of the cylinder is
.
Answers:
1. X= 0
2. X= 0
3. X=3
You can use this method to solve them step by step, hope it will help!
Down because the slope is negative