How many terms are in -7k+x2-3

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

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.

Trianglepqr has two known interior angles of 66° and 100°. trianglerst has two known interior angles of 14° and 100°. what can be determined about whether trianglespqr and rst are similar? the triangles are similar. similarity cannot be determined from the given information. the triangles are not similar. all interior angles must be given to determine similarity.