I search and found different answers but the nearest is 24
ANSWER

and
e have
EXPLANATION


Let us make y the subject and call it equation (2)


We put equation (2) in to equation (1)



Simplify to get,


Divide both sides by 31,



We put this value in to equation (2) to get,


We collect LCM to obtain,


Answer:
Its 7
Step-by-step explanation:
7
A relation are two sets of elements noted as input and output. Within relations, the input and the output have something in common.
A function is also about input and output but in a function, the input has nothing in common with the output.
(x+1)^2 +(y-1)^2 =9
x+ the x coordinate squared + y +the y coordinate squared = the radius squared