What is the significance of a dilation when 0 < n < 1? What is the significance when n = 1? What about when n > 1? Explain in terms of the size of the image and the preimage.

The area of a 25-inch tv screen is 300 square inches. the area of a 40-inch tv screen is 768 square inches. the are of the smaller screen is what percent of the area of the larger screen?

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.