A plane flies 455 miles with the wind in the same time that it takes to fly 400 miles against the wind. If the wind is blowing at a speed of 12mph, whats the speed of the plane in still air

  best answer for the question.1.     divide  7/24  by  35/48  and reduce the quotient to the lowest fraction. 

Simply 8x squared + 5(7x squared- x) - 2x =

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.