What question do you need help with?
You don't just go removing numbers here and there without a good reason. In any case, your whole approach here is wrong. You're calculating 60 percent of 12. But the question says to take 12 out of a group of 60 and tell what percent of the group you have. That's (12/60) x 100.
(f+g)(x) just means f(x) + g(x)

Choice B
48 degrees, anything opposite of a degree on the same 2 infinite lines will always be the degree.
Answer:
10-5g >80
Step-by-step explanation:
10-5g >80
This is the statment if u want it.