Which equation represents a linear function? y – 2 = –5(x – 2) x + 7 = –4(x + 8) y – 3 = y(x + 4) y + 9 = x(x – 1)

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?

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

I’m really confused and need to learn this