👉🏼 What is the volume of the square based pyramid shown below:

👈🏼 Solve the simultaneous equations below:
8x + 7y = 39
8x + 2y = 34
👆🏼 What is the sum of the interior angles of a 20-sided polygon?
👇🏼 To feed 30 people Masha plans to make.
20 beef sandwiches, 32 cheese sandwiches and
50 ham sandwiches.
How many of each would she need to
make food for 45 people?
🖐🏼 The time in minutes, T, taken to serve
the guests at a wedding is inversely
proportional to the number of waiters,
w. The time is calculated by