Which property is not used to simplify the following expression?
2. (x + 5) + 7x = (2x + 10 + 7x
= (10 + 2x) + 7 x
= 10 + (2x + 7x)
= 10 + 9x
9x +
associative property of addition
commutative property of addition
commutative property of multiplication
distributive property

Which compound inequality could be represented by 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

What is the value of p in the equation y^ = -4x?