If v₁ = (3,-4) and v₂ = (2,6), then v₁v₂ is equal to which of the following? A. -18
B. (6, 24)
C. (-12, -24)
D. 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 = f