Use substitution to solve the system of equations.
6x — Зу = 6
2x + 5y = 14​

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

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?