What is the y-intercept of the line represented by the equation y = 2x - 3?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

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

Plz hurry evaluate the expression a+b where a=8 and b=19