Calcula la altura de una torre que proyecta una sombra de 22m, si junto hay un árbol de 2m de alto que proyecta una sombra de 1.5m.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x, and the distance in miles, y, that he travels.