I need help on this please

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

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school

If a line is defined by the equation y = 5x + 2, what is the slope?