It's impossible to solve all that you give but I think I can help you. There are many different sites which have soft that can solve tasks like this. Just enter what you need in search bar and follow the first link you see.
Well.. .not exactly what you're asking, but the relationship of them is

so... hmm to add some
for example let's say
The answer to number 5 is 128
Answer:233
Step-by-step explanation:cause i said so
Answer:
5%
Step-by-step explanation:
2000/40000 = 0.05
All you do is divide both numbers and you'll get the decimal form which in this case is 0.05 which means 5%.