When you use a paint can opener to a can of paint you use the paint can opener as a simple machine called a class

FIrst blank: lever

And, did you mean to put class?

Step-by-step explanation:

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8

my guess would be b and d, but i didn’t actually get out the pen and paper. lol