The slope is 1, because the slope form is:

Where the m is the slope. Here, m=1.
The answer is probably x=3. I am great at math so it should be the answer!
Answer:
A
Step-by-step explanation:
A is the less complicated one and the simplest but also the most efficient and the one that makes the most sense.
10 yards. The amount of yards is 1 third the amount of feet so you just divide 30 by 3 to get the amount of yards