The table shows the number of new small business incorporations for various years. Use regression to find a quadratic function that can be used to predict the number of new incorporations x years after 1980. (this is the question the graph is in the picture. please help me answer this i don’t have much time)

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