What is the median of the following set of data?

78, 92, 98, 87, 86, 72, 92, 81, 86, 92

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.