Ihave 3 algebra questions can anyone ?
the assignment is about : subtract polynomials
what i have to do : subtract the polynomials, showing all the steps necessary to write the answer in simplest form.

1. (9x - 4) - (3x + 2)

2. (3x^1 + 8) - (2x^2 + 1)

3. (5x^2 + 3x - 4) (x^2 - 6x )

Of four points are collinear, they are also coplanar

Which equation represents the function on the graph?

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