Answer:
8) |MZ|=8.1 units
9) |LY|=15.0 units
Explanation:
Use the distance formula:

From the graph, point M has coordinates; M(-4,-1) and Point Z has coordinates Z(3,3)
We plug in these values into the distant formula to get:



units
9) We substitute the coordinates L(-7,0) and Y(5,9) into the formula to get: