You see 25 squares because length×height=area, and the area of a figure is how many of something is in it.
I don't know I have work to do SORRY
2. just do inverse transformation to get pre-image. simply do T(4,-3) to given vertices.
you'll get A(-1,1)B(7,1)C(7,-2)D(-1,-2)
5. dont know.
10.option 1 and 4
S5 means that it is asking for the sum of the first five numbers in the variable
The first five are 400, 200, 100, 50, and 25. Add them together and you get 775