Help please I need this

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

What is the radical expression that is equivalent to the expression 27 1 over 5?

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?