How do I solve the system of equations using substitution for: 1. y = 6x - 11 -2x - 3y = -7
2. y = 3x + 5 5x - 4y = -3
3. y = -2 4x - 3y = 18
4. -3x -2y = -12 y = 5x-7

What is the expression in factored form? 3x^2 + 18x + 24 a. 3(x+2)(x+4) b. 3(x-2)(x+4) c. 3(x-2)(x-4) d. 3(x+2)(x-4)

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

Lucy spent $165 in december using a new credit card. in january, she began paying between $15 and $25 each month towards her account balance.