Answer:
two
Step-by-step explanation:
two pairs because four sides are parallel to each other.
Answer: -2,3. 2,3 3,-3 -4 -3
Step-by-step explanation:
To find mean you add all of the values together and divide the sum by how many values are present. In this case, 3+7=10, and there are two values, so 10/2=5
The mean would be 5