(a) For the following figure, the value of x is_in.

Step-by-step explanation:

Avoid spelling mistakes. They can confuse other people. Read the answer before posting it to make sure it’s correct. Helping others is the best! We’re sure you can give a great answer. What if you were asking this question? How would you explain it to yourself? Not sure of the answer? Don’t post it. Other people can help out with this one. 1/2 of an answer is zero answer. Use language that's easy-to-understand. If there's a piece of vocabulary that you feel needs clarifying, define it! Nobody likes a short, one-word-answer. Let’s make sure other people understand everything. Make sure your formatting is clear and easy to understand. Remember, it’s all about helping others understand the answer. Read and understand the question. Still having doubts? Ask about it in the comment section so you can give them a correct answer! Not sure about the answer? Use other resources to double-check! You’ll learn more and make sure your answer is top-notch. Avoid guessing or choosing an answer you are unsure of. Remember, you’ll only get the extra points if you give the correct answer. It’s important to know WHY. Great explanations are what makes awesome. Explain everything. Imagine that the person who was asking, knows nothing at all so you need to start from the very beginning.

the one that has a slope of 1/2 and is positive.

step-by-step explanation: 2 buckets 1 trip ; 4 buckets 2 trips and so on.