Look at my the expression below. 1/2 (a+b) - (a-b)2 what is the value of the expression when a= 18 and b =14?

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 =