Answer:
$3
Step-by-step explanation:
21 rand * ($1/7 rand) = $3
It’s 3n-4
I might be right or wrong
24 in total. 8 were solo. The test group. 24-8=16 group. 16/24=(66+2/3)%
Answer I
3r+n2−r+5−2n+2<span />=3r+n2+−r+5+−2n+2=3r+n2+−r+5+−2n+2<span />=(n2)+(−2n)+(3r+−r)+(5+2)<span />=n2+−2n+2r+7<span /><span />
=n2−2n+2r+7
Answer: First option is correct.
Step-by-step explanation:
Since we have given that

Now, by factorising , we get

Now, we use the formula i.e.

By using this, we get ,

So,
