Answer:

Step-by-step explanation:



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The answer is A. Deepak is 10 years older than Nina, so it cancels out B and D. And Deepak is 3 times Nina's age, not the other way around.
Answer B
The answer is B because the opposite of -7/10 is of course 7/10. Hope I helped !
You will find the length of all sides to be able to multiply length by width