Dodecahedron is a 3D shape, usually when it ends with hedron it is 3D.
To do this, we first want to see how many participants there are in total by adding both males and females.

Now we know that there were 220 total participants, but only 121 were females.
This allows us to set up the fraction 121/220= the percent female.

or 55%
Answer: x= -11
Step-by-step explanation: Substitute y for -9, and move 2 to the other side, which would be -9-2=-11. So x=-11
B) it has 2 rational/ real solutions