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Question #1: Abby ended her walk at school.
Question #2: Abby and Bryan walk 9 blocks after school together to go to the grocery store and the park. After they leave the park, Bryan has to walk 5 blocks, and Abby has to walk 9 blocks to get home. Therefore Abby has to walk 4 more blocks than Bryan does.
Answer: 4 Blocks.
Step-by-step explanation:

15 - c = 6
15 - 6 = c
9 = c
c = 9
No such thing ,But what you can do is is go on Cymath and it will help you solve it
1. y = -1/2 + 2.
2. y= 2/5x - 4/5