Solve by using elimination: 2x+5y=-2, 2x-7y=6

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Could someone with number 1 and 2

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