Show that 38/7root3 is irrational

What is the answer to |-2x-5|-|-4+8| and x=7

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd