By factoring, x equals both -5 and 7.
-2 + 2.5= 0.5 and -7 + (-1.5) = -8.5
so B is at (0.5, -8.5)
Answer:
Solving the radical
we get 
Step-by-step explanation:
We need to express the radical
using the imaginary unit i
Prime factors of 81 are: 3x3x3x3
and 
Solving:

So, Solving the radical
we get 
Answer:
There are 200 trees per acre.
Step-by-step explanation:
47000 trees divided by 235 acres gets you 200 trees per acre.
When you go back and check your work, 200 trees per acre times 235 acres equals 47000 trees.
I hope this helps! :)