Answer: Option 'B' is correct.
Step-by-step explanation:
since we have given that
Time taken to build a cabinet by Genna = 4 hours.
Time taken to build a cabinet by Claude = 3 hours
Now, time taken by both Genna and Claude to build a cabinet together is to be find.
Work done by Genna is given by

Work done by Claude is given by

According to question,

Hence, Option 'B' is correct.
When a number has an exponent of 2 by it (x^2) , it means it's squared and that's it
I think.....
2100/1 or 4200/2, could be either
Answer:

Step-by-step explanation:
Distribute (2h − 3k)(h + 5k).
2h^2 + 10hk - 3hk - 15k^2
2h^2 + 7hk 15k^2
It is a very simple answer but it works!