HELP ASAPPP (This is a geometric series question)if the second term of a geometric sequence is 3 and the 3rd term is 1 what is the first and fourth terms

You purchased 8 pounds 10 ounces of candy from a candy shop. you want to split it equally among 3 classrooms at a local school.

If you could answer these your a life saver

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?