Given these percentages, during bad weather, is it more likely that your flight will be delayed or on time? how much more likely?

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.  

Is a square always, sometimes, or never a parallelogram

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)