Ineed , i struggle with surface area. provide me with the answer and why it’s that answer.

lemme turn upwards the prims a little, check the picture below.

notice the triangle has a base of 4 and a height of 3, and the prism is really just two triangles and 3 rectangles, so we can simply get the area of each figure and sum them up, and that's the area of the prism.

the image of (6, 9) under a dilation is (4, 6). the scale factor is