Which of the following is not a function of hair? Keep the skin connected to the body

Alert the body to the presence of insects

Help maintain warmth

Guard the scalp against physical trauma

B. Alert the body to the presence of insects

italian workers migrated to northern provinces

the answer would be the third option, "no, ariel should have added 9^2 and 12^2 and compared that to 15^2."

this is found through the pythagorean theorem, which is a^2 + b^2 = c^2.

this is the correct way of solving the problem:

9^2 + 12^2 = 15^2

81 + 144 = 225

225 = 225