Parallelogram abcd has vertex coordinates a(-4,4), b(-1,4), c(-2,2), and d(-5,2). it is reflected across the y-axis. what are the coordinates of c?

So if I remember correctly if it’s against the y-axis and u are trying to make a reflection, then it would be an arrow notation which is (y,-x) and do you would change A,B,C, and D coordinates into the arrow notaton

A: 18/15b : 7 - -8 = 15 , 12 - -6 = 18 the y variable always goes over the x variables, c : same thing a