What’s the difference between ratio and proportion? do they go under the same category?

The graph of fx shown below has the same shape as the graph of gx = 3x^2 but is shifted down 2 units

Ac contractor is building a new subdivision outside of the city. he has started work on the first street and is planning on the other streets to run in a direction parallel to the first. the second street will pass through (-2,4) find the equation of the location of the second street in standard form. a.2x+y=2 b. x-y=2 c.2x+y=2 d. x+y=2

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?