What happened as a result of the fall of the Western Roman Empire? *
A. The Eastern Roman empire absorbed the territory of the former Western Roman
Empire
B. A series of new Germanic kingdoms replaced the Western Roman Empire
C. Powerful new rulers settled peasant unrest and stopped outside invasions
D. The Eastern Roman Empire also rapidly declined and dell to the outside invaders.

Use the x-intercept method to find all real solutions of the equation. -9x^3-7x^2-96x+36=3x^3+x^2-3x+8

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?