3 years ago

Can someone help me with these two questions??

Mathematics

1 answer:

igor_vitrenko [27]3 years ago

4 0

Answer:

14. A. Commutative Property of Addition.

15. D. k=54

Step-by-step explanation:

6 + 9 = 9 + 6 is an example of the Commutative Property of Addition so that is your answer.

k + (-12) = 42. What you do is add the 12 to both sides to get your answer.

k=54 is your answer.

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