Around-robin tennis tournament consists of each player playing every other player exactly once. how many matches will be held during a n-person tournament, where n > 2?

Acurious child asked his mother: “mommy, why are some of your hairs turning grey? ” the mother tried to use this occasion to teach her child: “it is because of you, dear. every bad action of yours will turn one of my hairs grey! ” the child replied innocently: “now i know why grandmother has only grey hairs on her head.”

Need asap ! 1. someone at a party has just told a joke, and the photo shows a guest laughing uproariously with his head back, eyes closed, and mouth open. 2. photo of collection of vintage corvette convertibles at an automobile show. stock photography 3. photo of a mosquito filling the entire frame of the photo. 4. photo of the quilt-like appearance of grain fields taken during a ride in a hot-air balloon. 5. photo of the pollution of discarded cans, bottles, and other waste on a beach. 6. photo of the eiffel tower in paris, france. environmental photography aerial photography macro photography documentary photography stock photography candid photography

Is this statement true or false? artists like maya lin make memorials to preserve and honor the memory of important people and events.