How do i solve this equation? and could you show it to me step by step?
2+9n=74.
is this a two step algebra equation?

What numbers are included in the set of integers? what numbers are not included?

Aphrase is shown read the phrase and give me the answer

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.