Well it has to be either 23 or 9 because you have to add the two smallest sides also you have to subtract them . What are the options ?
Answer:
for the solve and check:

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for the second solve and check:

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Answer:
It's C
Step-by-step explanation:
(2,4), (4,8), (3,6), (5,10) because they’re all ratios of 1:2
Answer:
1= 2x+11
2= is none of those
3= √x^2 –11
4= √2x+11
Step-by-step explanation: