A researcher wishes her patients to try a new medicine for depression. How many different ways can she select 5 patients from 50 patients?

Find the roots of the equation below. x^2 - 6 + 9 = 0

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

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