Answer:
the answer is D, (2,7)
Step-by-step explanation:
D is a function because there are no repeated x values
for example b is not a function because we have (0,-7) and (0,-9)
B. 90. The perimeter is 30+30+15+15=90
Answer:

Hope This Helps! :) Please give Brainliest if it does!
Your answer is 1/4, -7/3,-4