What is 12 14/15 as a decimal

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

Hi, can anyone show me how to do this problem? 100 points for this. in advance

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.