Answer:
x1= -2
x2= 1
x3= 4
Step-by-step explanation:
Variables are any letter so in the case of your equation the variables would be f and x.
<span>(x-h)^2 + (y-k)^2 = r^2
</span><span>where r is the radius of the circle, </span>
<span>and h,k are the coordinates of its center;
( x - 8 )^2 + ( y - ( - 2 ) )^2 = 1 ^2 ;
r = 1 ;
h = 8 ; k = - 2.</span>
Well if each person shakes someone else’s hand 12 times and there’s 12 people, the 12 people x 12 hands = 144 hands shook
