Answer:
Option B.
Step-by-step explanation:
Consider the below figure attached with this question.
From the below figure it is clear that the center of the given circle is (4,5).
The standard form of a circle is

where, (h,k) is center of the circle and r is radius.
We need to find the equation of a circle which represents the same center as the circle shown but with a radius of 2 units.
Substitute h=4, k=5 and r=2 in the above equation.


The required equation is
.
Therefore, the correct option is B.
Answer:
% Decrease = 19.2 ; 19.2%
Step-by-step explanation:
% Decrease = (Original Price - New price)/ Original price × 100
% Decrease = (78 - 63)/78 × 100
% Decrease = 15/78 × 100
% Decrease = 19.23
Answer:
1 Cards = 36%
2 Cards = 28%
3 Cards = 24%
4 Cards = 12.5%
Step-by-step explanation: