The coordinates of c is -2, -1
sqrt 7 ( sqrt 14 + sqrt 3 )
distribute
sqrt(7) sqrt(14) +sqrt(7) *sqrt(3)
sqrt(98) + sqrt(21)
sqrt(49*2) + sqrt(21)
sqrt(49) * sqrt(2) + sqrt(21)
7sqrt(2) + sqrt(21)
Answer:
I think it is 123 for number 9 i can't see, the other problems
Step-by-step explanation:
B. yes.
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