Aconstruction crew is digging a hole. on the first day, they dug a hole 3 feet deep. on the second day, they dug 2 more feet. on the third day they dug 4 more feet. write the sum of negative numbers to represent this situation. find the total sum and explain how it is related to the problem.

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