Question

plse check it

Answer 1

if one is a subset of the other, than it would contain no "new" elements, just a set of the elements used in the "larger" set.

since youve found elements in each set that are clearly not a part of the other, they are NOT subsets

Answer 2

to find the subtraction of one set from the other, just subtract one rule from the other and simplify

Answer 3

so solution is wrong

Answer 4

your solution is correct, i was just stating it in another way

Answer 5

okay
@amistre64 thank u

Answer 6

youre welcome

and A-B is just: (rule for A) - (rule for B)

Answer 7

okay