Need help with question

option a

Step-by-step explanation:

in figure 1: 2n-1 so 2×1=2-1=1 so in figure 1 there is 1 block

in figure 2: 2-n-1= (2×2)-1=4-1=3 so there are 3 blocks this pattern continues

the first one, all those points on the line just make a strait line.

so what is the problem what are they asking you to solve

step-by-step explanation:

so what is the problem what are they asking you to solve