n 2009, U. S. families spent, on average, $570 for back-to-school supplies. The number rose to $655 in 2015. Let y represent the average amount of back-to-school spending and x the number years since 2009. Find a linear equation that fits the data and use your equation to predict the back-to-school spending in 2032.

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation