Answer:
C
Step-by-step explanation:
you are adding
Answer: x = -15
Step-by-step explanation:
Answer:
Answer B and C
Step-by-step explanation:
Z is the center of the circle passing through H,G,J:
HZ=85=ZG=ZJ ==> ZJ=85 : B is true
HK=KG=136/2=68: C is true.
Answer: Second Option

Step-by-step explanation:
The probability sought is calculated by calculating the quotient between the number of possible ways to select 4 seniors from a group of 4 seniors among the number of ways to select 4 seniors from a group of 10 people.
So:

Where

is the number of ways in which a number r of people can be selected from a group of n people
Then
