Which proportion could be used to find the length of side b?
a 0720
6.2.
sin 72
sin 85
6.2
o a. $72 - sings
o b. sn72. simos
o c. so 23 - sinas
o d. sin23 - sing2
sin 72
sin 23
6.2

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 =