Whats the y-intercept of the line x + 6y = -18

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

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

What is the gcf of 20c^3-5c^4+30c^6