A car was bought for £20,000.
Its value depreciated by 15% each year for the first three years.
What was its value at the end of the three years?

In the below graph,

👉🏼What is the gradient of line L?

👈🏼What is the equation of line L?

👆🏼Find the size of angle 𝜽:

👇🏼Masha has two boxes of counters, each with an equal ratio of black and white beads.
In box A, 54 of the beads of black and 36 are white.
There are 162 white beads in box B.

🖐🏼How many beads are there in the two boxes in total?