How did you get that answer

4+6x-3x^3 in standard form with explanations because i don’t understand

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?

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase