X+2.5 because you dont know her height of last year which would give you the variable X and this year she grew 2.5 inches which would make the equation X+2.5
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I’m sorry this is messy but I hope this is right!! <3
If your solving for x, x=2
Cuboid has 6 faces. If each face was 2m squared, that would be 2m squared times 6 which is 12m squared