!brainlisest! Find the value of y in the diagram.

Answer:
y=8
Step-by-step explanation:
The two triangles are similar, but scaled to a ratio.
Given the ratio of two corresponding sides AC and NL, the scale is 10:5 which is 2. So, the side MN when scaled to the same ratio, the corresponding side's length y = 4*2 = 8 ft