👉🏼Factorise x² – 38x + 72

👈🏼Find x in the following diagram:

👆🏼Write 32,000,000,000 in standard form.

👇🏼x : y = 2 : 9 and y : z = 4 : 1. Write z in terms of x.

🖐🏼Find the equation of the line perpendicular to y = 5x + 2 that passes through the point (1, −1)