What is the surface area of this square pyramid?

a.
252 cm2

b.
108 cm2

c.
189 cm2

d.
144 cm2

answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right