Which expressions are equivalent after simplifying? Check all that apply.
(3.1a - 2.7b) + (1.5a - 4.96)
(2.3a +0.2b) – 8b
(-3.5b + a) -- (4.16 - 3.6a)
-0.4b + (8b + 4.6a)
4.6a - 7.6b

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

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