Answer:
16
Explanation:
Line 1: ◄ + ◄ + ◄ = 30
3◄ = 30
◄ = 10
The triangle equals 10.
Line 2: ◄ + ◘ + ◘ = 18
10 + 2◘ = 18
2◘ = 8
◘ = 4
The square equals 4.
Line 3: ◘ - ○ = 2
4 - ○ = 2
-○ = -2
○ = 2
The circle equals 2.
○ + ◄ + ◘ = 2 + 10 + 4 = 16
Answer: 16