Do number 6. This is not a quiz this is for my students are you gonna help them?

nope I think your students should be smarter then they can teach me how to do whatever that is and I can help someone else someday

=c

Step-by-step explanation:

b−a−b−b+a+b+c

=b+−a+−b+−b+a+b+c

Combine Like Terms:

=b+−a+−b+−b+a+b+c

=(−a+a)+(b+−b+−b+b)+(c)

=c

4th option is correct xy=-10

if this was to u plzz mark me the brainliest

step-by-step explanation:

it will be a cylinder. with a diameter of 8 and 4 single pieces high