Consider the point A located at the coordinates (3,5). First, reflect the point over the x-axis. Then translate that reflected point up 4 units and label this point A". What are the coordinates of A"? a A"(-3,9)

b A"(7,-5)

c A"(1,5)

d A"(3-1)

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?