Select the statement that describe a unit rate

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

Six random samples were taken each year for three years. the table shows the inferred population for each type of fish for each year.