(f+g)(x) just means f(x) + g(x)

Choice B
Both are correct they just chose a different variable to solve for first. they will both get correct answers if they do the rest correctly.
3 yd 1ft is greater then 100 in
Answer:
25 hours
Step-by-step explanation:
Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just don’t want to waste my time in case you don’t want me to :)
I don't know which one you want but here
Exact form: x=9/10
OR
Decimal form
x=0.9