line r when plotted passes through the points (1,-3) and (5,9).When line s crosses line r it forms right angles. Which of the following must be the slope of line s

Long ago, people who lived in coastal north africa most often interacted with

What is found within a ranger tower overlooking a drained lake

If we review the changes in the landscape surrounding the great salt lake in utah we can see a change in topography. look at the area to the south of the lake. what change has occurred during the last twenty-nine years? a) erosion of the hills b) an increase in marshland c) flooding of the area and the development of wetlands d) deposition of sediments and an increase in elevation