ᴘᴀ ʜᴇʟᴘ ᴘᴏ ᴘʟᴇᴀsᴇ ᴍᴀᴋᴀsᴀɢᴏᴛ ᴘᴏ ɴɢ ᴛᴀᴍᴀ ʙɪɢʏᴀɴ ᴋᴏ ᴘᴏ 5 sᴛᴀʀ ᴀɴᴅ ʙʀᴀɪɴʟʟɪᴇsᴛ

Answer:
1.NP =because it's have negative integer exponentiation
2.P =because it express the consisting of variables
3.P=that's involves only the operation of addition and subtraction.