seismasaraus is the longest known dinosaur it measured 1800 inches. how far would 3000 seismosaurus dinosaurs span if they were placed head to tall? write your answer in scientific notation.

What is the distance between (–2 1/2,-3) and (1, –3)?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

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