Answer:
c
Step-by-step explanation:
3
-3
sqrt(9)
-sqrt(9)
What number multiplied by itself will give you 9
3*3 =9
-3*-3 =9
sqrt(9) * sqrt(9) = sqrt(81) = 9
-sqrt(9) * -sqrt(9) = + sqrt(81) =9
it is 6^3
C=2.50m+20