Which of the polynomials below is a 3rd degree polynomial? Select one:
a. 5x 3 − 6x 4 + 7x 2
b. 3x 2 − 5x + 7
c. 5x 2 − 6x 3 + 7x − 8
d. 3x 3 + 4x 5 + 6

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