Lashonda is estimating the length of a room in her house the actual length of the room is 13 m. lashondas estimate is 14 m. find the absolute error and the percent error of lashondas estimate. if necessary round your answers to the nearest tenth. (i have no idea what i’m doing plz help)

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

State one method by which you can recognize a perfect square trinomial.

Point a is at 12, and point d is at 56. point c is midway between a and d, and point b is midway between a and c. which of these is the coordinate of b?