Can i plz have some help with this

Arectangular prism is 3 meters long, 6 meters wide, and has a height of 9 meters. what is its surface area?

Find the vertex of the function given below y=x^2-6x+1

Atriangle in the coordinates of (2,3), (-4,5) and (-2,4) it is translated 3 units down. what are it’s new coordinates