I need some help please !

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.

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?

The area of a circle is equal to 1 dm². find the radius of the circle.