Answer:

Step-by-step explanation:
Given


-- folded twice
Required
The area of the new rectangle
When the length was folder, the new length is:

When the width was folder, the new width is:

So, the new area is:



We have,

Introduce variable
such that 
The sum
is therefore 
So,
(sadia's age)
(father's age)
Hope this helps :)
V=4/3 π •r^3 multiply both sides with 3
3•36π=4π • r^3
108 π=4 π • r^3
r^3 =108 π/4 π
r=3 inch
Answer is: Irrational because if the answer doesn’t repeat for an example 0.392827263, it’s irrational if it does repeat like this 0.3434343434 it’s rational! Hoped this helped!!
Answer:
1) A
2) A
3) C
Step-by-step explanation: