Here is the answer for the 1st one. I have a picture of the second one but I’m not sure if I can post the picture of it
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: should be -1/ sqrt of 3. If it asks to rationalize it could be -sqrt of 3/3
Step-by-step explanation:
Answer:
do you mean gx-1-2=25?
and what does g equal?
Step-by-step explanation:
I’m 100% sure it’s the 3rd one :)