Which equation is an identity?

3w + 8 - w = 4w - 2 (w - 4)

8 - (6v + 7) = - 6v - 1

5y + 5 = 5y - 6

6m - 6 = 7m + 9 - m

Jeff bought 3 bags of dog food. He also bought a set of new dog bowls that cost eighteen dollars. He spent a total of forty-five dollars. Write both the verbal and mathematical equation to find out how much Jeff paid for each bag of dog food.

What is add in number

What's 36/1000 (fraction) Simplified What's 506/1000 simplified (fraction)

Jason has 3 and one half candy bars. He wants to share the candy bars with his friends. He gives as many of his friends as possible 3/4 's of a candy bar. How many friends can he give 3/4's to?

Solve equation and write reason for each step x+25=45

What is 4 to the 3rd power

I have 1/8 of books are mysteries I have three Mistry books how many books do I have it all

what does it mean when a number is outside of the parentheses in a quadratic function for example: 2 (x+1) ^2

Sarah makes a party punch that requires 1 gallon of orange juice for every 1 and one half gallons of lemonade. Dean's favorite punch recipe calls for 4 gallons of orange juice for every 1 gallon of pineapple juice.

If the probability that it rains tomorrow is 35%, what is the probability that it does NOT rain? A) 15% B) 35% C) 65% D) 75%