Answer:
458/143=3.20 so it should be 3.20 hrs
Answer:
Bro write the question better
Step-by-step explanation:
Answer:
(sqrt(x) +1)(sqrt(x)-2)
Step-by-step explanation:

Answer:
5/23 (Simplified)
Step-by-step explanation:
There ya go.. :D
Answer:
9.5 C?
Step-by-step explanation:
im guessing since it's last change was an additional 4.5