The angel measurements in the diagram are represented by the following expressions.
a=7x+40 b=3x+112
solve for x and then find the measure of a
a=

X-intercept=-5 y-intercept=2 the equation of the line is

2/3(-6y+9x) expand each expression using the distributive property

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