Answer:
5
Step-by-step explanation:
each daughter has 2 sisters and 2 brothers but each son had 1 brother and 3 sisters
Answer:
multiply 77 by 10 which is 770 then you multiply it by 5 which is half of 10 so 385 then add them together and you get 1155
Answer:

Step-by-step explanation:

Add the fractions since the denominators are the same.


Simplifying the fraction.


A= -81 + square root of 113
a<span>≈</span> -70.36985418
Answer:
301.44 cubic units
Step-by-step explanation:
