Two lines and a ray intersect to form five angles. The angles are numbered in the diagram 1 through 5. If the measure of ∠4 is 55°, what is the measure of ∠2?

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