Help for Practice Section:
#1, #2, #3 , & #4

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

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5