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Option c is right choice

Hi! The answer is option C. because 4.6 - 6.4 = -1.8 -1.8 - 12 = -13.8 and the expression we are looking for a match to is -13.8 as well so you know we’ve found the answer. The expression we are looking for a matching answer to is -6.4 - 12 = -18.4 + 4.6 = -13.8
It can’t be option A. because it equals -23 and that doesn’t much to the expression we are looking for answer. Option B. can’t be correct either because it equals -1 and that isn’t right either and lastly option D. can’t be right because it equals -10.2. I hope I explained it good enough, Goodluck :)

Answer Key
Expression We Are Looking For A Match To = -13.8

Option 1 = -23
Option 2 = -1
Option 3 = -13.8
Option 4 = -10.2

The linear equation is: y=ax+b

The answer would be b ! explanation: the formula for sa *surface area * is 2×l×w+2×l×h+2×w×h so in this case l=4w=12h=8so you use the formula to solve it and it give you the answer of 352^cm^2