Which is not used to reach conclusion in a formal proof? 1. inductive reasoning 2. true premises 3. logic 4. postulates or previously proven theorems

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

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 if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative