In the following diagram, not drawn to scale, BC is twice the length of AB and CD is twice the length of BC. If AG is 140 inches long, how many inches long is EF? Show how you arrived at your answer.

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

What number is 7 units left of -15?

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?