Pretty sure the answer is 18
3^2+3^2=9+9=18 (with a square root)
<h2>
Greetings!</h2>
Answer:
They buy
of cheese.
Step-by-step explanation:
When adding two fractions with the same denominator, you simply add the two numerators (numbers on top):

So they buy
of cheese.
<h2>Hope this helps!</h2>
Volume of triangular prism = base x height x length / 2
= 8 x 5 x 9 / 2
= 360 / 2
= 180 cubic cm
(a-8)(4a-7)(a+12) this = 4a^3+9a^2-412a+672