I'm not 100% sure on this. I think it's 23.
Answer:
The missing area for both sides is 48ft²
the missing dimension is 12ft
Step-by-step explanation:
Add all the areas up
12+36+12+36=96
192-96=96
96÷2=48
48÷4=12
The answer is B, 7.6-(-1.7)=9.3
170,000 square kilometers, divide by 10, or take off a 0