For a multiple regression model with five x variables what is the relevant extra sum of squares for testing whether or not

Find the value of the cosine for angle a

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function