A translation
(I'm assuming that this isn't multiple choice since you didn't include the answer choices.)
Well i could tell you if you attach a picture :)
Answer:
75
Step-by-step explanation:
because if you minus 155 and 80 then add 10 because its a trianagle s so you have to use the polymerson method so you get 85
I am a student teacher at my highschool
^^To solve you must use the fractional exponent rule.
I dont quite understand what the question is asking but thats what I have to help :)