If 2a+3y=134 and 3a+2y=146 and a is the same in each equation and y is the same in each equation what is y

Combine the information in the problem and the chart using the average balance method to solve the problem.

Find the nonpermissible replacement for binthis expression. b2/5b +5

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?