The given octagon is divided into equal parts how do you express the green area as a fraction of the whole

If a line is defined by the equation y = 5x + 2, what is the slope?

Which equation represents a line that passes through the point (9, -4) and has a slope of 3/5?

Ahmed plans to add a rectangular sunroom to his house. the sunroom will have a length of 14 feet and a width of 10 feet, and the construction will cost $40 per square foot. how much more would the sunroom cost if it’s width were increased to 12 feet?