Answer:
8 children
This is because if he has one son, then every daughter has one brother. Therefore, if he has four sons, each of his daughters have four brothers.
Idk...........................................................................................
Answer:
55
Step-by-step explanation:
Answer:
Option B.
Step-by-step explanation:
The given quadratic equation is

We need to find the solution of given quadratic equation.
Divide both sides by 9.


Taking square root on both sides.


The solution of given equation are
and
.
Therefore, the correct option is B.
Answer:
6x + 12y = 816
Step-by-step explanation:
6 dollars per regular admission
12 dollars per both dance and volleyball
in total 816 dollars