The equation of any given circle is:

where (h, k) is the center and r is the radius.
In the problem, we are given the center, and the radius. When we plug them in:

we got the formula of the circle.
A=4, B=5, C=1 and D=2 if you dont have more information of course.
Answer:
i cant choose any that applies to this question because there is no picture added to it and there are no choices to choose from. If i were to solve it though, it would be; yes, he will save enough money for his vacation.
Step-by-step explanation:
I know he would have enough--and in this case more than enough, because since he's planning to save $30 for a whole year just for $50, when he could simply make $60--which is in fact more than needed for his goal-- in just 2 months. If he were to stick with his plan though, he'd make $360. I got that by multiplying 30 by 12.
Answer:
use mathwy
Step-by-step explanation:
its better for a. expansion