Final answer:
The original question did not provide enough information to determine the subject or grade level of the inquiry. More details are needed to offer a specific and helpful response.
Step-by-step explanation:
I'm sorry, but you seem to have posted a request for help without specifying the question you need assistance with. In order to provide you with the help you need and make sure my explanation is tailored to the right subject and appropriate for your grade level, I'll need the details of the question you're struggling with.
Please reply with the specific problem or the topic you're working on, and I'll do my best to offer a clear, step-by-step explanation that will aid your understanding.