Convert to a percentage without using a calculator

100 points, hi, i’m not sure how to get the equation from the graph and table.

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

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take