Find the perimeter of a regular octagon with a side length of 20
options:
120
140
160
180

Which fraction below is equivalent to 10/12?

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?