I need help big time 7x+1+7-4x+4y^2+

Name the most appropriate metric unit for each measurement

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?