What is the Area of this quadrilateral

Choose the more precise measurement. 26.4 cm or 8.39 cm

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)

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