The sides of a triangle measure 2.22 inches, 3.54 inches, and 4.50 inches. what is the perimeter of this triangle? report the answer with the appropriate number of significant digits.

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 =