Given the equation , where is the percentage of American adults who smoke at years since 1900. Find the values of the t-intercept and interpret its meaning with appropriate unit. Find the value of the p-intercept and interpret its meaning with appropriate unit. State the value of the slope of the linear model with appropriate unit. Interpret the meaning of the slope using a one-sentence statement that uses numbers specific to this situation. Using the model above, predict when the percentage of American adults who smoke is 12.