Evaluate the Expressions 1)2+(-4)-10-10 2)7 times 2-6/-1 - -5 (fraction)
3) (4+5-4)(3+6)+3

Answer this 30 points and brainliest!

How are sas and sss used to show that two triangles are congruent?

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