80% of 20 is 80/100 x 20 = 16
So, kelly has used 16 stamps, and has 4 left
Answer:
2007
Step-by-step explanation:
If the number of visitors was, say, 100 people in 2003, then in 2005 that number would have gone up to 300 people, which is a 200% increase. And that number would have gone up to 900 people in 2007, which is an 800% increase.
Answer:
Minimum: (2,4)
Step-by-step explanation:
h(x)=3(
-4x)+16
=3(
-4x+4-4)+16 (- For the balance of equation, and attention 1)
=3
-3*4+16
=3
+4
<h3>Attention:</h3>
1. 
2. The formula for the vertex form is y =
, the vertex is (h,k)
I believe that the answer is 20. I am not entirely sure though.