Find an explicit formula that generates a sequence whose first four terms are: 1000, 400, 160, 64

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

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?