3(x-2)*2-3? what's the y intercept x intercept vertex and the axis of symmetry ( *2 means the 2 power)

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?

The collection of beautiful oil paintings currently on display at an art gallery well defined; set not well defined; not a set