For 3 of 5, it's A because it uses "in my opinion" the word 'my' being first person.
I'm not too sure on the others, sorry ;;
Answer:
Yes, All you have to do it Make a Hook that makes your introduction interesting then you summaries your back ground information, after that you need to write a thesis statement then your done with introduction its pretty simple follow the instruction and you will be done.
4 is the answer because she is jealous,coarse and quarrelsome
A triangle always adds up to 180° so if you already have two angles, add them together and subtract them from 180° to find the missing angle.