In the morning, marco sold 12 cups of lemonade for $3. by the end of the day, he had earned $9. how many cups of lemonade did he sell in all? kaycee wrote the proportion for this situation. identify the error and give two ways to write the proportion correctly.

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

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.