12 to 16 pounds Im not very good at math but I hope this helps
Answer:
1120 combinations of four teachers include exactly one of either Mrs. Vera or Mr. Jan.
Step-by-step explanation:
The order in which the teachers are chosen is not important, which means that the combinations formula is used to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
In this question:
1 from a set of 2(Either Mrs. Vera or Mr. Jan).
3 from a set of 18 - 2 = 16. So

1120 combinations of four teachers include exactly one of either Mrs. Vera or Mr. Jan.
Answer:
mee
Step-by-step explanation:
I would say B is the answer
Answer:
-12.90, -12.55, 10.25, 10.75, 12.50
Step-by-step explanation:
this is from least to greatest