Answer:
30?
Step-by-step explanation:
The area of the triangle is 30 but i dont know what the area of a semi circle is.
1.

2.

3.

4.

1. Start
2. Multiply both sides by 3
3. Subtract a from both sides
4. Subtract c from each sides
Answer:

Step-by-step explanation:
hope it helps brainliest pls
Answer:
I would say the last one, bc b Is negative correct?
Answer:
I believe the first one is the Mississippi river.
Hop that helps!