A bag contains 12 green cubes 5 blue cubes and 3 yellow cubes find each probability if you choose one at random

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)

Can someone me with these questions? ?