1:5=1/5
1/5=20/100
20/100= 20%
20% of bag is pink marbles
Answer:
B
Step-by-step explanation:
The y int. is correct but you wrote it wrong it is (0, -2)
Answer: 
Step-by-step explanation:
We know that the circumference of a circle is given by :-
, where r is the radius of the circle .
Given : Circumference of circle = 16 cm
Then, 
i.e
(1)
We know that the area of circle is given by :-

i.e.
[From (1)]
i.e.
i.e.
Put 
Hence, area of circle = 