Giovanni justifies whether the expression –4x – 8 is equivalent to by letting in both expressions. what is the value of each expression when

What is the answer to |-2x-5|-|-4+8| and x=7

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

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