What is (a-b) need answer as soon as possible

What is the radical expression that is equivalent to the expression 27 1 over 5?

Line wx is parallel to line yz. if m

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