Hello please help i’ll give brainliest

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Which graph represents the equation y =4x

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)