Find the equation, in standard form, of the line passing through the points (5,1) and (-2,3).
a: 7x+2y=-17
b: 2x-7y=17
c : y=7/2x-7
d: 2x+7y=17

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