check picture 1
Notice that a 180° rotation clockwise or counterclockwise (around the origin) send any point P(a, b) to a point with coordinates (-a, -b).
this means the number values of the respective x and y coordinates are the same, but the signs are different.
for example rotating point P(-3, 17) 180 degrees results in point (3, -17)
check picture 2.
reflecting point P(a, b) with respect to :
the y-axis results in point (-a, b)
the x-axis results in point (a, -b)
for example , consider point P(-3, 17)
reflecting this point with respect to the y axis, results in (3, 17)
reflecting (3, 17) with respect to the x-axis results in (3, -17)
So the effect of reflecting with respect to the y axis, the x axis (the other way around is the same) results in the same point as rotating 180 degrees.
Answer:
1) reflect with respect to the y-axis, then reflect this last point with respect to the x-axis
2) reflect with respect to the x-axis, then reflect this last point with respect to the y-axis
