Find the missing length indicated plz :)

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8

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

Write the equation in general quadratic form: plz !