If the width of the frame is 3 feet , and the height is 8 feet , how long must the diagonal cross section be in order to ensure that it forms a right angle ? (Round to the nearest tenth ).

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