Answer:
number 4: 8, 15,17
Step-by-step explanation:
This is all just the theorem that a^2+b^2=c^2 so I tried that for all of them and number 4 is the only one that ends as a whole number. Sorry, that wasn't the best explanation but I hope you understood. Just try the theorem on each one like 4(2^2)+9(3^2) doesn't equal 16(4^2)
