Can you please help, Struggling with these HARD SENTENCES

Could you please help me correct these sentences please?

1 I'm intrigued as to what's right ans what's wrong.
2 These speaker aren't on at a max. / Turn the heater up to/at a max.
3 We're partners but I have a bigger share of the company. 55 to 45.
4 You are the only one who will help me just like I was the only who would help you when you needed it.
5 This is the longest job I've ever had./This job is the longest one I've had./This is the longest I've ever held down a job for.
6 It took me the time it took for the opening credits of the movie to end to get back from the kitchen where I had gone to get some food.

7 Do you think I'll have finished everything before he gets here.

About number 4
How would you phrase it

Do you ever use the following form?
1 He does A like he does B. (both in the same manner)
2. He does A , like he does B. (it's as true that he does A as it is true that he does B.)

or

1. He does A (in) the same way that he does B.
2. He does A, [and / but] he does B [as well / too].

Thank you