Answer: 0
Step-by-step explanation: when you add 25+25 it is equal to 50. when you subtract 100 from 50 it gives you -50. when you add 25+25= 50 so you add that -50 and 50 and it gives you zero (im not very good at explaining hope it helped)
Circumference = 105*pi
about 329.8672286269
and that divided by 6 is 54.9778714378, which is about 55
The number in the "tens" place is eight (8).
