Please help me with the topic of Hinge Theorem

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?

Which of the following circles have their centers on the x-axis? check all that apply.

Suppose that g(x)=f(x+9) which statement best compares the graph of g(x) with the graph of f(x)