Last one, i hope. i have to get this one right or i have to redo it

If m∠c = 147°, determine m∠e. 147° 57° 33° 180°

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)