Al atardecer, un árbol proyecta una sombra de 2,5 metros de longitud. si la distancia desde la parte mas alta del arbol al extremo más alejado de la sombra es de 4 metros, ¿cual altura del árbol?​

Katlyn made 4 dresses with 7 yards of fabric. how many yards did she use on 1 dress?

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? 1. define a variable for the situation. 2. write an inequality that represents the situation. 3.solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. 4. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?