Question

change the voices
My father was helped by my brother they made a lot of profit​

Answer 1

Answer:

My brother helped my father.

A lot of profit was made by them.

(Note: please write you question clearly with other spaces) it will don't understood others.

Answer 2

Answer:

1. My brother helped my father.. (passive to active)
2. A lot of profit was made by them.. (active to passive)