$80 is 25% of what amount?

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

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount