D{-3,2,7} hope this helps!
Answer:

Step-by-step explanation:
we know that
If two figures are similar, then the ratio of its corresponding sides is equal
so
In this problem
If polygon RSUPE is similar to polygon KQUIC
then

substitutes the values and solve for a

The answer is D Log4(8)
Because as seen in my solving you are seeing that when we subtract we can divide.I gave you the final answer of your equation.
Hope I help
<span>[-1,-1,1]
or
</span><span>[-2,-2,2]
</span>.....
Dot Product = 0