Luke says you can always add and you can always multiply to join groups. Is he correct? Explain why or why not

Find the unit rate. $121.50 for working 18 hours

Y = 4X + 2, y = 2 (2x - 1)

Brian has 451 baseball cards and 149 football cards rounded to the nearest ten about how many more baseball cards does Brian have than football cards?

5) Devon has 14 steel balls of equal weight. If he puts 8 of them in one pan of a balance, and the rest along with a weight of 20 grams in the other pan, the pans balance each other. Which equation can be used to find the weight of each steel ball?

About how many weeks did it take for the dog to consume 45 pounds of food

What property describes the number sentence 6 + 0 = 6

Which of the following statements contain a variable? Check all that apply. A. How high you can jump. B. The amount of time you ran on the track. C. The temperature outside is 31 degrees. D. The time school starts.

3. Jared has two ropes. Each rope is 9 inches long. How many inches of rope does he have in all?

Which expresion is equivalent to 8x - 2y+x+x

The graph of which of the following will be parallel to the graph of 4x - 3y = - 12? A. y=4/3x - 3/2 B. 6x-4y=-8 C. y=3/4x + 1 D. 4x - 2y = - 12