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 =
Domain: x values
Range: y values
The relation would need to have (2, y) and (4, y). And also (x, 2) and (x, 8)
See which ones match
Solution: B
Im guessing like proboly 30 rooms
literly its my best guess
Answer:
6
chaperones will be needed.
Step-by-step explanation:
1 to 25 students require (at least) 2 chaperones.
26 to 50 students require (at least) 4 chaperones.
51 to 75 students require (at least) 6 chaperones.
This is an example of use of the ceiling function.
The ceiling of a value
x
(sometimes written as
⌈
x
⌉
) is defined as the smallest integer greater than or equal to
x
.
In the given example we are asked for
XXX
2
×
⌈
53
25
⌉
XXXXXXXXX
which is
6
Four boxes for six dollars is cheaper because 5/3=1.66 and 6/4=1.5
