Answer:
i will have to draw it for you
Step-by-step explanation:
the reason why there is an X on the 5 squares is because you added then subtracted them
I'm guessing 7.71
Step-by-step explanation:
1,079.40/140
(x^3 - y^3)(x^3 + y^3)
You can get this by factoring based on the a^2 - b^2 model