Jo and leo are comparing the size of their village in minecraft

How to solve it and what thw answer is

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

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?