The pyhtagorean states that to find c, use the eqaution,

.
Substitute 1 for a and 20 for b;
c^2=1+400
c^2=401
c=
which is about 20.02
Hope this helps.
Yeah Im pretty sure it is
This statement would be incorrect because 0.086 equals 8% because you move the decimal place to the right two spaces.
Answer:
strange its not a container (i learned a different name) but heres the answer:
Volume = 7×7×21 = 1029 feet3
Volume = 7×7×7 = 343 feet3
=1372
can you clarify this question? it’s quite confusing, but i’d like to help you.