22) In 1990, the average house in Emerald City cost $280,000 and in 2007 the same house cost
$365,000. Assuming a linear relationship, write an equation that will give the price of the house in
any year, and use this equation to predict the price of a similar house in the year 2020.
23) The population of Mexico in 1995 was 95.4 million and in 2010 it was 117.9 million. Assuming a
linear relationship, write an equation that will give the population of Mexico in any year, and use this
equation to predict the population of Mexico in the year 2025.