Which set of ordered pairs represents a function?
1) {1,,-,-,5)}
2) {(-3,,-,,4)}
3) {(3,-,-,-,2)
4) {(30)}

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 =