Please help please with geometry

(03.03 mc) choose the graph below that correctly represents the equation 2x + 4y = 24. (5 points) select one: a. line through the points 0 comma 6 and 12 comma 0 b. line through the points 0 comma negative 6 and 12 comma 0 c. line through the points 0 comma negative 12 and 6 comma 0 d. line through the points 0 comma 12 and 6 comma 0

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2

The ratio of the height of two similar cylinders is 4 to 3 what is the ratio of their volumes