Could someone please help me because I am rubbish at maths?
15% of £40​

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?