Pls do this 10 points will mark brainliest pls I need help this is multiplying positive and negative integers

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

Factor the polynomial by its greatest common monomial factor.

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.