Which pair of expressions are equivalent? a. 2y – 4 and 2y – 4 + 9 b. 14x – 7 and 7x – 14 c. 9y + 3 + 2 and 3(y + 1) + 2 d. x + y and x – y + 2y e. x + 2y and x – y

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points