Points A and B lie on a circle centered at point O. If OA=5 and length of Arc AB divided by circumference = 1/4 what is the area of sector AOB

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