answer c. none of the above
Answer:
15.4 m
Step-by-step explanation:
3a-3(a+2)=10
3a-3a-6=10
+3 +3
6a-6=10
+6 +6
6a=16
9^4
There is 4 nines.
9*9*9*9 = 6561
9^4 = 6561
9^3 = 729
