Answer:
3
Step-by-step explanation:
The opposite of -3 is 3.
All triangles are similar.
.. x/3 = 27/x
.. x^2 = 81
.. x = 9
.. y = √(x^2 -3^2) = √72
.. y = 6√2
(X+1)(x^2+2) is the answer.
6.4 because a circle from side to is the same no matter where u start from and b plus d equal 6.4