Hi , the answer is -1 , because -1 is the number that is closest to zero.
30 students
14 have no siblings
that leaves 16 with siblings
6 have brothers and 12 have sisters which = 18 so 2 of the students have both a brother and a sister
2/30 students have a brother and a sister
1/15 chance
Answer:
septagon
Step-by-step explanation:
septagon is the only regular polygon that can make a tessellation
hope it helps .
Answer:
Add
Step-by-step explanation: