Use the vectors to determine two dot products: u . v and u . w ū = 9i - 6j
v=-3i-2j
w= 19i +15j

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?

Solve the equation x/4 - 5= -8 -27 -12 -7 12

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i