
Now, we can just multiply it and obtain the result

I used law presented on this example
Answer:
1: -12
2: 3 7/9
3: 7
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
Multiply the number by every element of the matrix. Answer: A
Answer:
7x2
Step-by-step explanation:
7x2 is 14 and all the other ones equal 7
Answer:
E
Step-by-step explanation:
the weight of the packaging materials is 12 oz. There are 16 oz in a pound. If the vase weighs 3 lb 11 oz, it would take 5 more oz to reach the next pound, and there was another 7 oz after that. You would then do 5 + 7, which is 12, so the packaging materials weigh 12 oz.