The point Y with coordinates (-8,6) is rotated about the origin to Y'(8,6). How many degrees was the point rotated?
O270
0 180
090
O360

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42