Answer:
both each side of each triangle is equal
use alphabets to mark each edge of the triangles and prove congruency
For this case we have:
Be a function of the form 
Where:

If we want to find f (-2), we substitute
, then:

Since we have a negative root, the result will be given by complex numbers. By definition:

So:

Answer:

Answer:
64=boys
Step-by-step explanation:
Boys to girls
4:5
80=girls
80÷5=16×4=64
It would be =-5f
Hope this helps