Answer:
6
Step-by-step explanation:
Answer:

Step-by-step explanation:
Let's assign each person a variable using the first letter of his/her name.
Then we get the following equations based on the information given:

Then we can use substitution:

Rearrange the second equation:

Multiple the equation by 3:

Combine the equations to solve for a single variable (L):

Then we have a new equation:

Use substitution to get the rest:

Answer:
-2c-16
Step-by-step explanation:
do 7-9 because it's the only thing you can solve.
--> -2c-16
There are six triangles in a circle