What is the value of 6a + 2a if a = 3?

Solve the inequality and graph 6j - 7 < 5

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

I’m really confused and need your assist me with this question i’ve never been taught