C=5/9(F-32) help please

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org

How do you write a paragraph proof to prove that the corresponding angles shown are congruent

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given