Answer:
8 ft^2
Step-by-step explanation:

area of ABC is:

area of ABC is 18 square ft, then

now you can find h1 and the area for EFG
7.47/3 = 2.49
1 yard = 2.49
2 x 2.49 =
4.98 is how much it will cost for 2 extra yards
Here's something I learned, if that's a go math text book the answers are always in the last couple pages of the book
It is statistical because there can be a variety of answers.