The height of a Fictitious Humungus tree, in feet, is predicted by it's age in years after being planted in 1990. y = 1.2 + 2.3x R2 = 0.73 a. Find the predicted height of one of these trees in 2015. b. What does the slope mean in terms of the situation? c. What does the y-intercept mean in terms of the situation? d. What does the coefficient of determination mean in terms of the situation?