Can someone please help me with question 1, 2, and 3. THANK YOU to the person who is going to help me.

Answer:
1. 80
2. 20
3. 1080
Step-by-step explanation:
1. area= 1/2 x base x height
1/2 x 8 x 20= 80
2. first you find the rectangle which is 5x6=30
then the triangle base is 14-6=8
1/2x8x5=20
3. 12x15x6=1080