Ed had a piece of rope 6 3/4 ft long. he cut off 38 ft. how much rope does ed have left? enter your answer in the box as a mixed number in simplest form.

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm.dist(80,475,33,1) =norm.inv(0.80,475,33) =norm.s.inv((80-475)/33)?

What are the sotions to the quadratic equation 9x^2=4

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)