Can anyone just anyone help me with all of these?

Answer:
♡hi fairy! madeline here♡
-- here's your answers, it's
pretty easy if you try and know it.
1st question. 1.6
2nd question. 0.15
3rd question. 5
4th question. 1.42
5th question. 5
6 question. 0.2
have a great day °˖✧◝(⁰▿⁰)◜✧˖°
✧・゚: *✧・゚:・゚✧*:・゚✧・゚: *✧・゚:・゚✧*:・゚✧
Step-by-step explanation: