I know it's less points but I will give you the brainiest, a 5 star, and a heart, plus a friend request. Thank you to whoever answers.

6) B&R. They form a right angle at intersection
7) G&R. Line G has a slope of -1/4 which is the negative reciprocal of line R’s slope of 4
Answer:
6. Line b and r
7 line g and b OR g and r
Step-by-step explanation:
The intersection makes four right angles
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———. Look. It makes four right angles. Thats how you know.
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