+ This question: 1 point(s) possible According to a sleep foundation, in 2013 a certain nation averaged 6.4 hours of sleep each weeknight. In 1918, they averaged about 8 hours and 15 minutes of sleep per weeknight. Model these data by a linear equation, and use it to predict the year when the nation will not be sleeping at all on a weeknight. Model these data by a linear equation, assuming that the initial year is t=0. y=+ (Round to four decimal places as needed.) Use the equation to predict the year when the nation will not be sleeping at all on a weeknight. The nation will not be sleeping at all on a weeknight in the year (Round to the nearest year as needed.)