QUICK PLEASE The school library is planning to purchase new bookshelves. If they calculated that each bookshelf can hold 75 books and the library has 350 books already, write an equation to represent the number of books the library will have if they buy n bookshelves.

The second term of an arithmetic sequence is 30. the fifth term is 90.calculatei). the commor difference of the sequence ii). the first term of the sequence tje first, second and fifth terms of the arithmetic sequence are the first three terms of a geometric sequence calculate the seventh term of the geometric sequence