Please break this down for a student and the attachments are able to open for me thanks again!!!!!

Problem 2 Use the following to answer parts a) - el: A year ago, when COVID-19 cases first skyrocketed across the U.S., the home-buying market came to a screeching halt as people were advised to stay home to avoid getting sick. At the time, it seemed the housing market was poised for a downturn. instead, the opposite occurred'. When real estate transactions were allowed to resume, Americans flocked to buy homes. With many working and learning virtually, families sought more space in the suburbs. In July of 2020, U.s. 30-year fixed-rate mortgages fell below 3% for the first time. With the sudden crush of people seeking to buy homes, prices skyrocketed. By November, home prices were rising at the fastest pace since the Great Recession, and price appreciation has yet to slow. The following data' shows the Listing versus Selling Price of 3-bedroom homes (with at least 1.5 bathrooms) in Uyris, OH. Listing Price Selling Price (in dollars) (in dollars) 124900 112000 144900 156000 214900 223500 120000 126000 190000 195000 124900 140000 125000 140000 150000 148000 249900 255000 105000 108900 139900 140000 a) (1 point) The explanatory variable is: b) (1 point) The response variable is: