9 times 16 = 144
2(9+16)= 50
smallest possible perimeter is 50(whatever unit you're doing)
You can use substitution and solve y-x=2 for y which is y= x+ 2 and plug it into the y of the other equasion and you get x=5 y=7
I am assuming you want to find the simplest form of the inequality.
1.

2.

3.

1. Start
2. Subtract 9 from each side
3. Divide both sides by 3
Answer:
23
Step-by-step explanation:
The sum of any two sides of a triangle has to be greater than the other side
Only 23 meets this criteria
Answer:
153.94 cm²
Step-by-step explanation:
Area of circle = πr² = π(7)² = 49π = 153.94 cm²