Order these numbers from least to greatest.
−12.1
,
12110
,
−867
,
−145

Which system of linear inequalities is represented by the graph?

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?

Which of the following parabolas opens down?