Can anyone me? ! will give 20 points! you!

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

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.