Please help it’s due in 20 minutes!

f(x) = x2. What is g(x)?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

If a line is defined by the equation y = 5x + 2, what is the slope?

Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?