Help please
Which of the following reasons would justify Statement 4?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need

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?