What are the Variable Terms, Coefficients, and Constants for 8r + 7 - 2r

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

Which is the focus of a parabola with equation y2=4x

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?