Answer:
z= -16/19
Multiply both sides by 2z+1
Then subtract20z on both sides
Add 6 on both sides
Divide by -19
1/3 chances that it will be a girl or a boy because their is only a 50/50% and their is 3 children
12125-10100 = 2025 total loses
2025/5 = 405 losses per year average
Since the vertex is at (-3, 6), the equation is given by
y = a(x + 3) + 6
Therefore, option A is the correct answer.
