The correct answer is: 330
Explanation:
The formula for combination is given as follows:
--- (1)
Where n = 11
r = 4
Plug in the values in equation (1) and calculate:

Hence the correct answer is 330.
Answer: First Question: True
Second Question: False
Third Question: False
Step-by-step explanation:
Based on the equations in the image, I used the substitution method.
9x+3 y I’m in math hope that helps man
Answer: I don’t actually know sorry
Step-by-step explanation: