Sort:  

The query is because this post has 6 homework questions rather than 3.

Not sure if all or one are to be attempted?

Yes, Let me follow up with @stream4u to group the subparts under three heads/questions.

It seems like these are 5 sub-parts of a single Question. I will ask him to edit it.

Thank you.

dear @sapwood, please accept my request on discord. I want to talk you seriously.

Done

Coin Marketplace

STEEM 0.19
TRX 0.15
JST 0.029
BTC 63117.29
ETH 2601.03
USDT 1.00
SBD 2.76