un lado de un triangulo mide el doble de otro. El tercer lado es de 6 pulgadas y el perímetro es de 18. encuentre la longitud de los lados faltantes

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

There are 10 chicks on ginger's farm .she has 2 chicks in one outdoor pen and 5 chicks in another. the rest of the chicks are in the barn.what is the fraction of total chicks in outdoor pens?