Answer:
(6n−1) ²
Step-by-step explanation:
34-16 = 18
so 18 are unsharpened
ratio is 18/16 reduced to 9/8
(4×3)÷2+1+2×6
=12÷2+1+2×6
=6+1+2×6
=6+1+12
=19
is the answer
its b I'm pretty sure........
