Jim is an electrician. He charges a $150 home-visit fee and $45 per hour, with the first two hours free. Which equation could Elyse use to calculate the cost, c, to have Jim work at her house for 5 hours? a. c=150+45(5)

b. c=150+45(5+2)

c. c=150+45(5-2)

d. c=(150+45)(5+2)

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