Answer:
Step-by-step explanation:
1200(1+.08*2)= 1392
8/27
The triplicate ratio of 2:3 is 2^3/3^3 = 8/27
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108
Square of 9 = 9×9 = 81
Cube of 3 = 3×3×3 = 27
So sum of square of 9 & cube of 3 = 81+27 = 108
Second point
it's easy..here have a look at it.