It either 20 or 25 percent. 25 is the 300 increase of 1200
The circumference formula for a circle is 'c=2πr'.
C = circumference
π = 3.24
r = radius (1/2 the diameter)
All you need to do is plug in the numbers you are given. So the circumference = (2)(3.14)r
Sarah's number: 13285
The digit '3' in Sarah's number worth = 3000
The digit '3' in Caryn's number is worth 10 times the digit '3' in Sarah's number: it's worth 10 × 1000 = 10000
Caryn wrote 5 digit number, and this number only have one digit '3'
Caryn's number could be:
35642
321547
30789
The cosine function
meets the y axis at the point 
In fact, you have 
Answer:
5
Step-by-step explanation:
12+12+12= 36
36-7= 29
3+3+3=9
29-9=20
20÷4=5