Let 2n (equally spaced) points on a circle be chosen. Show that the number of ways to join these points in pairs, so that the resulting n line segments do not intersect, equals the nth Catalan number Cn.

y-y1=4(x-x1)

step-by-step explanation:

this is point-slope form since you only have 4 as the slope it goes in place of m

hope this : )

i think u have 12 apples sorry again i don't really know if it correct i'm just tryna hrlp people out.

cant

step-by-step explanation: there is no picture