Equation to represent line that passes through points -1, 2 and 3, 1

Me ! write an equation for the interior angles of this triangle that uses the triangle sum theorem

According to the data set, where should the upper quartile line of the box plot be placed?

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f