3numbers between 21 seconds and 22 seconds

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?

Write an equation for the function that includes the points (2,100)and (3,100)

Collin did the work to see if 10 is a solution to the equation r/4=2.4