Lớp 12a có 40 học sinh, trong đó có 25 học sinh nam và 15 học sinh nữ. Hỏi có bao nhiêu cách chọn ra một nhóm gồm 5 học sinh nữ

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

Percent increase and decrease. original number: 45 new number: 18

What is the interquartile range (iqr) of the data set represented by this box plot?