The volume of 100 kilograms of the substance is 80 liters. what is the volume, in liters, of 3.2 kilograms of this substance

What is the standard form of -5x^2+2x^4-11+x^3+3x

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project