I need help ASAP will give brainlessly who is first and correct

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?

Which of these angles are complementary? a. 45o and 45o b. 63o and 117o c. 45o and 135o d. 90o and 45o

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.