Solve by the substitution method

2x + 9y=41
- 4x + y=13

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

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.