What set of numbers is written as (-∞, ∞)?

in english this is

ex.15 pag.85 create. write in ten lines the continuation of the ballad of the five motanasi, using verbs to the imperfect and to the perfect compound. five stars

hope i with whatever it is that you need! : )

the answer to this in exact form is 4/35 but in decimal form its 0.1142857

hope this if needed hmu