Someone help me with this, some girl helped but idk if it’s right LOL

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

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 these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10