Một người thợ cắt may cần thiết kế một cái túi áo như hình vẽ. Phía trên là một hình vuông có cạnh là 12cm. Đáy dưới là nửa hình elip có bán kính trục lớn là 6cm và bán kính trục bé 2cm. Hãy tính diện tích túi áo

Five dinosaurs go for a walk and come across some lovely chicken wings. their names are rexy, bronto, steggy, paly, and terry. there are exactly 5 dozen wings(equal enough for each dino to have a dozen right? ); however, terry is on a diet and he only eats 6 wings. if paly eats 2 more than terry, steggy eats 4 more than paly, and bronto and rexy eat the same amount because they are really hungry from not eating all day, how many chicken wings did each dino eat?

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Find the area of the unshaded square