Determine if the sequence below is arithmetic or geometric and determine the common difference / ratio in simplest form.
4, 6, 8, ...

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25

Which is the value of this expression when p=3 and q=-9