Evaluate the expression when c = -6. c² - 5c-7 ​

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?

Can someone me out here and the tell me the greatest common factor

In the triangles, bc =de and ac fe. if the mzc is greater than the mze, then ab isdfelth