Answer:100$
Step-by-step explanation: since the violin was 50 % off, that just means that the price it is is half of what it normally was , so you just multiple the fifty by 2 to get your answer which is that the violin cost 100$
Answer:

Step-by-step explanation:

Step 1: Open the brackets

Step 2: Bring the similar variables together

Step 3: Simplify by adding/subtracting the coefficients of the similar variables

Step 4: Rearrange as required.
6,9,8 hope you have a great day :D
Answer: MLS. Short for multiple listing service. A service whereby real estate brokers agree to make information about their listed properties available to each other and to split a commission with any other broker who provides the buyer.
Step-by-step explanation:
It works out that: y = 1 or 5 and therefore x = 5 or 1