Why do people say if you answer a question that they thank is really hard they say they will give you a brainiest?

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)