Answer:
4 and 6.
Step-by-step explanation:
There are 4 different grades represented, so for the first question, there are 4 ways that the students can sit if they must sit together by grade.
For the second question, there are 3 grades other than senior level, so it starts with 3 ways that the students can be seated. 3 ways x 2 students per way = 6 ways
Answer:
twenty three million ninety six thousand one hundered fourty five
Step-by-step explanation:
not needed
Step-by-step explanation:
The solutions are where the lines cross each other.
The lines only cross each other once so there is 1 real solution.
Answer: 1
