Một hộp có 7 sản phẩm tốt và 3 sản phẩm xấu. Chọn ngẫu nhiên 3 sản phẩm từ hộp. Có bao nhiêu cách để chọn:
a. Ba sản phẩm từ hộp?
b. Ba sản phẩm đều là tốt?
c. Có 2 sản phẩm tốt và 1 sản xấu được chọn?

The price of a particular stock is represented by the linear equation , where x represents the number of weeks the stock has been owned and y represents the price of the stock, in dollars. if this relationship continues, what is the price of the stock after it has been owned for 12 weeks? $92.55 $94.37 $100.52 $114.39

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total

Ihonestly have no clue if it's each or none.