100 Points and I WILL mark brainliest for first correct answer. Someone do this again bc I'm confused!

Use the mapping (x+3, y-5), for the transformation of triangle ABC with vertices A (-2, -4), B (0, 0), and C (1, -3), find the coordinates of the new triangle A’B’C’. You must show all your work.

Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image