Solve this problem -12x + 18y=6 and this one -14x + 21y=21 by elimination

Based on what i know about mean, this doesn't add up.

Drag each tile to the correct box. not all tiles will be used. consider the recursively defined function below. create the first five terms of the sequence defined by the given function

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re