Answer:
It is, indeed, a reduction. But, the scale factor of the dilation should be a fraction instead of a whole number, since the shape has shrunk.
Instead of 
, it should be 
. That would make it (4 - 2) / (8 - 4) = 2 / 4 = 1/2.
Hope this helps!
Answer:
x-5y
Step-by-step explanation:
Rectangular parallelepiped, right rectangular prism)
lwh
Prism
bh
The slope of the line is 3/2
