In which of the following situations can multiple regression be performed?Select all that apply.

Select all that apply:

1. predicting the number of megapixels for a smartphone's rear camera, given the amount of RAM in the smartphone and its screen size, in inches
2. predicting the annual number of reams of paper sold by an office supply company, given the number of reams sold in the previous year
3. predicting the annual corn yield (in bushels per acre), given the acres of corn planted and the acres of corn harvested
4. predicting the total annual sales of a lacrosse team's merchandise, in dollars, given the total season attendance of the team's home games