Smoking weed during online school

I’m the highest in the zoom

Which number produces a rationale number when multiplied by 1/5

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)