Please help me with this homework question part A and B

Are triangles the congruent? write the congruency statement.what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?