Answer: I got u
Step-by-step explanation:
When you write the equation of a circle in the form

Then the center has coordinates
and the radius is 
So, in your case, the center is (5,-3) and the radius is 5.
Answer:
5:2
Step-by-step explanation:
You have to convert the fraction so the bottom number is 100
1900: 14/25=56/100
1910: 29/50=58/100
1920: 53/100
1930: 13/20= 65/100
1940: 3/5=60/100
Your answer would be 1930: 13/20= 60/100