Which number is a MULTIPLE of both 12 and 24?

Which of the functions below could have created this graph?

Hurry can a triangle can be constructed with angles measuring 115°,55°, and 20°? yes or no

Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative