What's the area of a triangle and circle?

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Aof 12 , we to a of 4 to on a .of 4 be ?

The price of one share of a company’s stock declined $13.89 every day for 2.5 days what was the stocks total decline in price