please help me!! it’s really easy i just forgot how to do it, ill mark as brainiest!!

Answer:
the answer is b
Step-by-step explanation:
just turn the 4/5 to 5/4
Answer:
D. This is impossible.
Step-by-step explanation:
4/5 x 7 or 0.8 x 7 = 5.6
None of the answers equal this same amount when replacing K x L. Plus, B and C are the same, since when multiplying, you can multiply in any order. A does not equal this amount either.
Hope this helps! :)