Show all work as you solve the linear modeling problem below. 9) In 1974, 37.1% of American adults described themselves as regular cigarette smokers. By 2014-, only 17.1% of American adults described themselves as regular cigarette smokers. Write a linear equation that models this decline in smoking. Let x represent the number of years after 1974 and let y represent the percentage of American adults who described themselves as regular cigarette smokers