Answer:
210.53
Step-by-step explanation:
here
hope it helps
Answer: Distance around a circle
are you in college?
Answer:

Step-by-step explanation:


Answer:
B: 0.15
Step-by-step explanation:
Answer:
x=1
Step-by-step explanation:
3^ (3x+1) = 81
Rewrite 81 as a power of 3
3^4
3^ (3x+1) = 3^4
Since the bases are the same, the powers are the same
3x+1 =4
Subtract 1 from each side
3x+1-1 =4-1
3x=3
Divide by 3
3x/3 = 3/3
x =1