The radius changes which is the constant when the circle decreases in size and remains at the same center point.
It’s the same now in decimals is 2.35215804 it goes on
M=y2-y1/x2-x1
m=-10-1/5+2
m=-11/7
Yeah so it goes 6, 22, 28, 68, 24, then 43 if that makes sense
25% chance or 1/4
because there are 18 total chips 9 of them are pink so 9/18 or 1/2
but she picks twice so you square it so (1/2)^2 which equals 1/4