Find the sum angle of the polygon

If f(x)= 3x+6 which of the following is the inverse of f(x)

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

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x, y) coordinate plane?