Is square root 5/9 a rational number?Explain

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

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

Which strategy is used by public health to reduce the incidence of food poisoning?