According to the two-way table, how many people are in group 1?

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)