Answer:
(7 , 7.75)
Step-by-step explanation:
12.5=5x-3 1/3
5x=12.5+3 1/3
5x=15 5/6
5x=95/6
x=95/30 or simplied x=19/6
Answer:
The required equation in standard form is 
Step-by-step explanation:
The equation of a circle with center (h,k) an radius, r units is given by the formula;

The given circle has center (4,5) and the radius can be calculated from the given circumference, which is 


We substitute these values into the formula to obtain;

We simplify to get;
