Ramona is playing a board game and rolls two number cubes. let a = {the sum of the number cubes is odd} and let b = {the sum of the number cubes is divisible by 5}. list the outcomes in a ∩ b.

{1,3,5,7,9,11}
{1,5}
{3,5}
{5}

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.