Yes............................
Answer:

Step-by-step explanation:
On the right side of the = multiply -4 through

add 28a and add 4 to both sides


divide both sides by 22

Answer:
D
Step-by-step explanation:
The centroid of a triangle is the intersection of the three medians of the triangle (each median connecting a vertex with the midpoint of the opposite side).
Answer:
rise over run
Step-by-step explanation:
In this case it is undefined