Please help
do be exact this is the Pythagorean Theorem things

use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.

i get you, what you should do is think of the positive things that would come out of it. it will make yours parents proud and raise your grade. you should always try and if you can't focus tell the teacher.

#12 the answer is the third option