A boat traveled 280 miles downstream and back. the trip downstream took 7 hours. The trip back took 14 hours. Find the speed of the boat in still water and the speed of the current. Find the system of equations

The stairs leading from the ground to the entrance of a plane forms a right triangle with the ground. if the distance of the stairs measures 22 feet and the ground distance measures 11 feet, how high is the entrance to the plane from the ground? which diagram represents this scenario? / 22ft © 22ft 11 ft 11 ft 22 it