Iwill give 25 points for steps and answers to just three questions!

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

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

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?