(22/7-2/3) divided by 2 is the value of (22/7-2/3) -{greater than, less than, or equal to }

Can someone pls ! pls answer all. no explanation needed..

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c