Answer:Feudalism helped protect communities from the violence and warfare that broke out after the fall of Rome and the collapse of strong central government in Western Europe. Feudalism secured Western Europe's society and kept out powerful invaders. Feudalism helped restore trade. Lords repaired bridges and roads.
Step-by-step explanation:
Your answer is option c. The final simplified form should have y to the 4th power instead of y cubed. I think so..
Answer: 9;0;-3
Step-by-step explanation:
25% or 1/4 in chance. 4 marbles and 16 other colours. 4/16=1/4=25%