HELP ASAP PLSSS!! ILL GIVE BRANLIEST !

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?

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.