Will give 20 points carlos solved the system of equations below. what mistake did he make in his work? (5 points) 2x + y = 5 x − 2y = 10 y = 5 − 2x x − 2(5 − 2x) = 10 x + 10 + 4x = 10 5x + 10 = 10 5x = 0 x = 0 2(0) + y = 5 y = 5 a: he should have substituted 5 + 2x b: he did not distribute correctly c: he combined like terms incorrectly, it should have been 4x instead of 5x d: he made no mistake

Ineed asap. 35 points. in order for two polygons to be similar, two conditions must be met. first, all pairs of corresponding sides must be in proportion. second, all corresponding angles must be congruent. prove that angle congruence is not enough, by itself, to establish that two polygons are similar. do this by describing or drawing two polygons that are not similar but whose corresponding angles are all congruent.