Which of the following would be the best example of parallel lines in the real world?
o a. the lines formed on a windowpane
o b. a four-way stop at an intersection
o c. the northbound and southbound lanes on a straight highway
o d. a bridge extending over a river

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