Có 40 học sinh gồm 25 nam và 15 nữ. Hỏi có bao nhiêu cách chọn 4 học sinh trong đó có 1 nam và 3 nữ

Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells,n, and the total amount he earns in a year,e. what is the total amount abe would earn from selling 10 apartments in one year

What is the slope of the equation y =

Solve this problem! extra ! 3025/5.5 = a/90.75