.1. 15 – 2x = 3x 2. 7 + 9x = 3x + 1

3. – 2 – 3x = x – 2 – 4x

4. 4y – 8 – 2y = 4

5. 3x + 2 + x = x + 5

Bonus: 38 + 7k = 8( k + 4)

Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

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