HELPPP ASPA Classify the relations according to whether or not they are functions.
-3x = 15
2y = 10
3x − 0.25y = 3

{(2, 3), (1, 3), (5, 3), (2, 6)}
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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