Answer:
C) 15
Step-by-step explanation:
Here we have to use the combination to find the number of possible combinations.
Total number of classmates (n) = 6
We are selecting 2 individuals. So r = 2.
The combination formula nCr = 
Plug in n = 6 and r =2, in the above formula, we get
= 
= 
Simplifying the above factorial, we get
= 15
So the answer is C) 15
Answer:
Distance = 8.06
Step-by-step explanation:
We have to use the distance formula 
.
coordinates of the first point
coordinates of the second point
To solve, plug the appropriate values into the formula.
The answer is 30,60,90. Because 60 is twice the number 30 and 90 is three times the first number.
Answer:
If the goal is to break the vases: 3/20 = 15.0% or 0.15
If the goal is to not break the vases: 17/20 = 85.0% or 0.85
