PLEASE HELP!!! THE TOP I NEED HELP WITH AND THE BOTTOM TOO, ITS ALREADY ANSWERED BUT THOSE ARE THE THREE CHOICES, 1+8y, 8(y+1), and 8y-8

What is the quotient of 42/3 divided by 4 1/5

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 is 0.000008 meters in scientific notation