There were 81 people sitting in a school auditorium of which
1/9were teachers, while the rest were students. How many teachers were sitting in the auditorium?

Tree diagram to find the prime factors of 18

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Iwill give you ! what is the measure of ∠v ?