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1 answer:
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Answer:
r = 2
Step-by-step explanation:
= 4r-4
square root both sides
r = 4r-4
r = 2r-2
2r-r = 2
r = 2
Answer:
r = 2
Step-by-step explanation:
= 4r-4
square root both sides
r = 4r-4
r = 2r-2
2r-r = 2
r = 2