Plz help Elise walks diagonally from one corner of a square plaza to another. Each side of the plaza is 50 meters.
What is the diagonal distance across the plaza?
Round your answer to the nearest tenth of a meter.

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

We just started the introduction into circles and i have no idea how to do this.

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?