Using the law of cosines, in triangle def, if e=18yd, d=10yd, f=22yd, find measurement of angle d

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?

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

Factor the polynomial by its greatest common monomial factor.