In what decade was art deco the dominant design in the united states? 1920s 1930s 1940s 1950s

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

How do you determine whether a relationship represented as as graph is linear or nonlinear

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.