0.12 repeating in its simplist fraction

Medium sodas cost $1.25 and hot dogs cost $2.50. natalie’s group brought in pizzas but is buying the drinks at concession stand. how many medium sodas can natalie’s group buy with $20? make a table to show answer.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Identify the number 127 as a rational or irrational. explain