Answer:
-1
Step-by-step explanation:

Now, we can just multiply it and obtain the result

I used law presented on this example
19
Step-by-step explanation:
when we add 9 and 10 we will get sum 19
Answer:
5 cups
Step-by-step explanation:
To get 1 cup of sugar, u must add 1/8 by 8. now you have one cup of sugar. But to find out how much flour u need, u also need to multiply 1 3/4 by 8, which gives u 5 cups
Answer: The first one is Commutative Property
The second one is associative property
Step-by-step explanation: