8 questions with different ways of saying don't know which

Could you please help me with this? Would you leave in the words in brackets? and how would you say them?

1 Is that where you get your ideas (from)?
2 Where/How did they come up with these ideas?
3 He jumped into a shallow basin (plastic round pools) from 20 feet (up).
4 Stocks have dropped by/dropped 1 percent.
5 He broke into the music industry/broke through with his hit single that came out in 98'. (how do you say this?)
6 Doctors say you have to stop eating when you're hungry/before you're full.
7 He works so much, he works 2 months worth of hours in one month./He works two months in one.

8 She going to ask me for money. I can see it coming.

Thank you