Write an expression that, when simplified, is equivalent to 15x + 7

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?

15/16 as a decimal rounded to the nearest hundredth

X-10/4 when x = –18 a 7 b –2 c –7 d 2