Factorise:

👉🏼 (a) x² + 2x – 8

👈🏼 (b) y² – 144

🖐🏼 Solve the simultaneous equations
5x − y = 17 and
2x + 3y = 0

👆🏼 Find the lowest common multiple (LCM) of 36 and 54.

👇🏼 Copy the Venn diagram below and shade in A ∩ B′