If it takes Laine 3 hours to wash the windows of one house, Leslie 4 hours to wash the same windows, and Lance 5 hours to wash the same windows, how long would it take them all working together to wash the windows on THREE houses? PLEASE help 3.8 hours

0.08 hours

5 hours

2.6 hours

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

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]