Answer:
Step-by-step explanation:
3x and 3y are not "like terms," despite having the same coefficient.
Like terms have the same variable. For example, 3x and 2x are like terms, so
3x+2x = 5x
Answer:
5
Step-by-step explanation:
Answer:
A. 5xy + 9yz + 3zx + 5x – 4y
Step-by-step explanation:
uhh credit for this answer goes to Blaise Pascal for inventing calculators .-.
48 cookies from 2 cups of flour, rate = 48 cookies / 2 cups = 24 cookies / cup
60 cookies from 3 cups of flour, rate = 60 cookies / 3 cups = 20 cookies / cup
If the rates were proportional, the rates would have the same answers.
Therefore the rates are not proportional.