Answer: 
and

Step-by-step explanation:
Equation for a Circle

h= -2 k= 4 r= 4

Part 2
Complete the Square

85/95 is equal to 0.8947
64/76 is equal to 0.842
Therefore, 85/95 is greater
Answer:
21:9
Step-by-step explanation:
when you divide 21 and 9 by 3, you get 7 and 3 respectively
For this case we must find the inverse of the following function:

To do this, we follow the steps below:
We exchange the variables:

We clear the variable "x" (the variable is already cleared):

We change "x" to "y":

We change y for
:

ANswer:
