My teacher taught me rise over run. So, line A goes up one and to the side 4. That makes the slope 1/4. It's positive when the line goes up as you look to the right. C is a positive slope of 2. And D is - 2/3. Other than those two, you did a really good job!
Answer:
E
Step-by-step explanation:
2^2 = 4
√(4^2 + √5 ^2) = √21