Answer:
The answer would be C
Step-by-step explanation:
He started at 250 lbs. He is losing 3 lbs every week.
So it would be y=250(beginning weight)-3x(how much he's losing every week)
Hope this helped :)
He has read 46% of the book
Answer: 
Step-by-step explanation:

Distribute the negative sign. This basically changes all the signs inside the parentheses.

Combine like terms;
