Answer:
Step-by-step explanation:
The given expression to us is ,
Now take the LCM as ( x - 1 ) and Simplify , we have ,
Simplifying further , we get ,
Hence the second option is correct .
Answer:
10 seconds
Step-by-step explanation:
420 divided by 42 is 10 and its says 42 ft per sec so 10 seconds