Answer:
9. the first one ( 12 + 4 = 4 + 12 )
Step-by-step explanation:
the commutative property of addition means that you can change the order of the numbers you add and the sum will still be the same. this is shown in the 12 + 4 = 4 + 12 because the order is switched, but they are still equal.
Answer:
10 yellow marbles
Step-by-step explanation:
(y is the amount of yellow marbles)
y=2x-2
y=2(6)-2
y=12-2
y=10
1. Yes.
cranberry juice : total cups = 1 : 5 in all cases
2. Yes.
cranberry juice : total cups = 2 : 5 in all cases
3. No.
1 : 5 is not the same as 2 : 5.
Answer:

Step-by-step explanation:

Multiply the numerators and denominators together:

Mixed number:

Step-by-step explanation:
angles on a straight line