Coordinates of QRST:
Rule for a reflection accros the y-axis:
Find the coordiantes of the figure after the reflection across y-axis:
A rotation 360º clockwise is a full rotation, the figure still in the same direction after the rotation (the coordinates of the points don't change)
Then, the coordiantes of Q'R'S'T are:Q'(1,-4)R'(-2,-1)S'(-5,-2)T'(-4,-6)