Hello,

Center is (2,-11) and radius is 8
Answer:
Step-by-step explanation:
<span>D. Line AE equals about line ED because if you measure line AE it is the same length as line ED</span>
For this case we propose a system of equations:
x: Let the variable representing the number of children in the concert
y: Let the variable representing the number of adults at the concert
According to the assistance we have:

According to the cost we have:

Substituting the first in the second equation we have:

Thus, the concert was 375 adults.
On the other hand we have:

Thus, the concert was 1125 children.
In total they were:
people
ANswer:
The concert was 1500 people
Answer: $10
Step-by-step explanation: