What are the coordinates of point A?

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0

a triangular prism is a 3 dimensional shape composed of triangles and rectangles. it is made from two triangular bases and three rectangular sides.  

add 8+12 to get a simplified answer of 12r-20