guys please help me I really need it. this is chemistry. but I put it as mathematics because I never get help on my chemistry questions

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

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?

How many solutions does the nonlinear system of equations graphed bellow have?