En una biblioteca se van a reubicar los libros en estantes teniendo en cuenta su peso. Carlos, el encargado, debe presentar un reporte que permita conocer la cantidad de libros que hay en la biblioteca de acuerdo con su peso. ¿Cómo puede presentar el reporte?

What are the domain and range of the function f(x)=2^x+1

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?