Measure of angle B please help

Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells,n, and the total amount he earns in a year,e. what is the total amount abe would earn from selling 10 apartments in one year

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?