Identify the part of the drawing that is highlighted in blue​

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

Measure a and b and find their sum. how are the angles related?