Factorize completely 6xy – 3y + 4x – 2

(b) *insert image*

The diagram shows a ladder AB which leans against a vertical wall PQ at B.
If |PB| is 8 m, and the other end of the ladder is 6 m away from the foot of the wall (at P), find the length of the ladder (|AB|)

(c) Kojo had 1800 bags of rice in stock for sale. In January, he sold ⅔ of it.
In February, he sold ¾ of what was left.

(i) What fraction of the stock of rice did he sell
(α) in February?
(β) in January and February?
(ii) How many bags of rice were left unsold, by the end of February?