Answer:
The center of the circle is at;

The radius of the circle is;

Explanation:
Given the equation of circle;

we want to re-write it in the form;

where;

Applying Completing the square method;

comparing the derived equation to the general form we have;

Therefore;
The center of the circle is at;

The radius of the circle is;
Answer:
The set {(1, 2), (2, -3), (3, 4), (4, -5)} represents y as a function of x
Step-by-step explanation:
SKATE OR DIE
I believe the answer is 264, but if it’s not 11 and it’s 22 then the answer is 528!! Mark me brainliest please!!!!❤️
Answer:
Users who park at the selected trailheads and cross-country ski lots. ; Convenience sampling
Step-by-step explanation:
A) The population of interest:
The population of interest should include the concerned individuals which would be those who park at the selected trailheads and cross-country ski lots.
B) By sampling the first 50 users encountered at each fee areas shows that the researcher prioritizes ease or convenience while choosing samples from a population. The first 50 fee users represents the most easily accessible users. Hence, the reason the adopted sampling method is called convenience sampling.