Decide weather a triangle could have the given angles measures explain your responds 140,70,186

There is diarrhea on the floor. what do i do? my mum gonna see that i diarrhea on the floor! * don't report, i'm serious! *

Use set buikder notation to represent the following set: {, -2, -1, 0}

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).