First we will evaluate: ( substitution: u = x² - y², du = - 2 y dy )

=

( than plug in x and 0 )
=

=
= 1/3 x³ ( then another integration )

= 1/3 * 1/4 =
1/12
It would be 13,500 and 84,900 because if the number behind the first one is five or higher u round up if not you round down
Answer:
4
Step-by-step explanation:
10 (/5) 2
15 (/5) 3
20 (/5) 4
The numbers in pie are 3.14159
You divide 3 by 8 to get an answer of 0.375, next you want to multiply 0.375 x 100 to get an answer of 37.5... that number is your percentage 3/8 is a 37.5%