Which equations are true? choose all answers that apply: choose all answers that apply: (choice a) a 0=(-x) + x0=(−x)+x0, equals, left parenthesis, minus, x, right parenthesis, plus, x (choice b) b 0=x + x 0=x+x0, equals, x, plus, x (choice c) c none of the above

If 3x+8=3x+8 is it one solution or no solution

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

Multiply: 2.7 × (–3) × (–1.2). a. –9.72 b. –10.8 c. 10.8 d. 9.72