I'm having a hard time with these fractions can someone me with -1(-3 1/2)

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?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

Jim had 15 minutes to do 5 laps around his school what would his time be