Use logarithmic differentiation please, thank you

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

1: 4 if the wew 35 surfboards at the beach how many were short boards?

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 =