A(c - b) = d
ac - ab = d
ac = d + ab
c = (d + ab)/a
Social security tax
Medicare tax
Federal income tax depending on income
State income tax depending on state
and tbh there are a lot of deductions to expect
No a polygon only has 3 sides and 3 angles.
Hey i think the only mistake i caught was when you put 3 points under the line mark instead of only needing 2.
Possibly another mistake at 3a, Only 2 points (but i could be wrong)