(look at photo if confused) Match each pair of equivalent expressions on the left with the appropriate property on the right.

3(x multiplied 4) = (3x) x 4

4(x + 5) = 4x + 20

2 + 7x = 7x + 2

Properties

A. Commutative property
B. Associative property
C. Distributive property

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem