Answer:
See image below
Step-by-step explanation:
When reflected across the y axis, The point coordinates are transformed the following way:
A = (2, 2) goes to A' = (-2, 2)
B = (2, 4) goes to B' = (-2, 4)
C = (5 3) goes to (-5, 3)
And the drawing of the new triangle is shown in red in the attached image
