a supply function for a certain product is given by Q= -15+3P, at what offering price are 12units of the goods supplied? and draw the graph

Write as a product of 2 binomials and a monomial (factor out as much as possible from each binomial). ! i do not understand, any is appreciated : ) whoever gets the best answer recieves brainliest and points! (4x–12x²)(16y³+12y²)

Ineed with number 17 i don’t get it at alll

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor