The X-coordinate is zero and the y-coordinate is negative what is the location please help!!

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)