Answer:
<em>Assuming person A and person B are part of the 7 people</em>, there are 10 ways the 7 people can line up if A needs to be first or last and B needs to be in the middle.
Step-by-step explanation:
There are 2 places for A (first, last) and 5 places for B (anywhere but first or last). 2 x 5 = 10.
Answer:
b is correct
Step-by-step explanation:
B is the answer to your question I remember putting that in my other class
Answer:
3/2
Step-by-step explanation:
slope=rise/run=30/20=3/2
Answer:
c) IS THE ANSWER
Step-by-step explanation:
