video1.0<iframe src="https://www.loom.com/embed/a913df741236423a8b756034c4bb1dbf" frameborder="0" width="1166" height="874" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>8741166Loomhttps://www.loom.com8741166https://cdn.loom.com/sessions/thumbnails/a913df741236423a8b756034c4bb1dbf-00001.jpg223p: Some building codes require that, for indoor stairways, the tread depth must be at least 9 inches and the riser height must be at least 5 inches. According to the riser-tread formula, which of the following inequalities represents the set of all possible values for the riser height that meets this code requirement?