finite state machines:

#6,7,8 please

sorry, just number 6, ill post 7 and 8 separately

Accepts strings that end in at least two 0's (can have as many 0 's as you want at the end, but if you type in a 1, you need at least two 0's after 1.e. 010000000000 or 000000000100 ) Accepts strings that contain at least two 1's Accepts strings that start Accepts strings that start