Answer: 0
Step-by-step explanation: -6.80 + 6.80
Negative numbers act as subtracting
I don’t know if that 2 and 1/4 or 21/4 so I’ll do both.
2 and 1/4 is = 9/4
21/4 is = 5 and 1/4
324 in^2
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Please I think the question is not complete
The second option down, "nine times the difference of a number cubed and three", is the correct answer.
