👉🏼Expand and simplify 7(3y + 8) – (8y – 2)

👈🏼Find the size of angle ABC in the diagram below:

👆🏼Without a calculator, calculate (√2 + 3√8)²

👇🏼If (ax+1)(x-3)(x+b) = 2x³ – 3x² – 8x – 3 then find the values of a and b.

🖐🏼Find the size of the largest angle in the triangle below: