Answer:
The answer is B because x = 4 so 12x4-3=45
The largest number is 952. I'll tell you why...
7*8=56
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56*18=7*8*18=7*8*3*6=1008 (4 digits)
56*17=7*8*17=952 (3 digits)
Surface area of a cube = 6l²
Now given length = l = 8 mm
= 6*8² = 6*64 = 384 mm².
Thank you !!
