What grade of math is this? I’ll answer I just need to know cause a lot of chapters could be related to this
Answer:
Step-by-step explanation:
Answer:
-x^2+6x+2
Step-by-step explanation:
1. Calculate
3x^2+5x-8-4x^2+x-6 = -x^2+6x+2
Answer:
The required probability (P) is :

Step-by-step explanation:
Probability of meeting random person who has same birthday as you = 
Probability of meeting random person who do not has same birthday as you =

Now, to find the required probability that the 25th person you meet is the first person who has the same birthday as you = (Probability that the first 24 persons we meet did not have same birthday as you) × (Probability that the first 25 persons we meet has same birthday as you)
Therefore,

Answer:
(12 + 8) x 5
Step-by-step explanation: