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.
Hey here is my ans.... Catch it.... ❤️ ❤️ ❤️ Pls mark as brainliest ❤️
Answer:
1250 3 x28
Step-by-step explanation:
5000
4
x8
3
x20
Answer:
))))))
Step-by-step explanation:
43+2(3-2)=43+2*3-2*2=43+6-4=45