Answer:
20
Step-by-step explanation:
The rectangle is 2 x 8.
2 + 2 + 8 + 8
Given:
The equation is

To find:
The value of b.
Solution:
We have,

Subtracting both sides by
, we get




Therefore, the value of b is
.
Oof this one is hard I think it’s 20 mm but I’m not sure
Answer: (d)- 
Step-by-step explanation:
Suppose 'b' is the number of bagels
It is to be divided into 15 bags
So, we use the divide operator i.e.

<span>circumference=pi * 2 radius=12pi, radius(small)=6;
</span>circumference=pi * 2 <span>radius=32pi, radius(small)=16;</span>
6:16=3:8