0.023
if u divide 23 by one thousand you get 23 thousandths as a decimal
The circumference of a circle is 
Circumference = 
It says to leave in terms of pi which means that we won't solve 
Thus the answer is
.
Hope that helped!
The answer is B, 2m +3
Two times the number of minutes, m, would be 2m, and then if you need three more than that you would add three, resulting in the +3 part of the equation. Therefore, 2m + 3.
Hope this helps!
159 times in 3 seconds = 159/3 = 53 times per second <==