The barber's profit p each week depends on his charge per haircut. It is modeled by the equation p=-200(c-6)^ 2 +2500, What price should he charge for the maximum profit. Explain how you determine this answer.

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

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

The radius of a sphere is 3 inches. which represents the volume of the sphere?