Answer:

Step-by-step explanation:
Let's use a start by using common denominators.
and 
Now, replace the original equation with the common denominators. 
Solve! 
60:1
I think anyway, I just know that there are 60 seconds in one minute so sixty to one, not completely sure tho
Answer:
s> 144 2/3
Step-by-step explanation:
I took the test in k12 and i got it right so yea !
Answer:
12.7
Step-by-step explanation:
Answer: Y= -3/7+5
Step-by-step explanation: