Eric is flying an airplane at an altitude of 2200 feet. He sees his house on the ground at a 45° angle of depression. What is Eric’s horizontal distance from his house at this point?

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )