👉🏼Write down the gradient of the line with equation x+y = 8

👈🏼z is inversely proportional to the cube of x. When x = 4, x = 2. Find z when x = 1.

👆🏼Simplify

👇🏼Liquid A has a density of 0.86 g/cm³ and liquid B has a density of 10.4 g/cm³. 20 litres of liquid A is mixed with 50 litres of liquid B to make liquid C. Work out the density of liquid C.

🖐🏼Find the area of the segment in the following diagram (it is shaded in green):