👉🏼What is the size of each exterior angle in a regular hexagon?

👈🏼What is the size of each interior angle in a regular nonagon?

🖐🏼What is the gradient of the straight line which passes through (2,6) and (6,12)?

👆🏼Factorise y² + 3y – 18

👇🏼A sequence is defined by the following recurrence relation: . The first term is x₀ = -4. Find x₁, x₂ and x₃.