Select ALL the equations where x = 3 is a solution. Group of answer choices

x - 3 = 0

1 + x = 2

9 - x = 3

6 = 2x

1/5x = 3

x2 = 9

Write an inequality and solve each problem. for exercises 11 and 12, interpret the solution.

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?

Sioux co. replaced the roof on its existing building, therefore increasing the building's life by 10 years. the cost of the roof is considered a(n):