Find the surface area

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.

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y