The air in a room 16 ft by 10 ft by 10 ft is 4% carbon monoxide. Starting at tequals0, fresh air containing no carbon monoxide is blown into the room at a rate of 200 ft cubed/min. If air in the room flows out through a vent at the same rate, when will the air in the room be 0.01% carbon monoxide?

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

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

Adeposit of 5500 at 6% for 3 years equals