Answer:
-5,-8
Step-by-step explanation:
1:12 + 2:41 + 1:10 = 4 hours 63 mins
5 Hours and 3 Mins
280 is the answer
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Assuming you are focusing on the square only, then the answer is 9 inches.
You take the square root of 81 to get 9. Notice how 9^2 = 9*9 = 81. So if you're not familiar with square roots, then think backwards in a sense to get the answer.