Answer:
25) 16
27) 12
29) 648
31) -243
Step-by-step explanation:
25) -4^2 = 16
27) -4 x 3 = -12
29) (-6 x -4) x (3 x 3 x 3) = 25 x 27 = 648
31) -(3) x 9^2 = -3 x 81 = -243
Please mark as brainliest, thank you.
Me neither. I used to know, good luck!
I'm not very sure, however I think you have to replace the sign - for a +.
7 + 4√13
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