This is the number of combinations of 4 from 12
12C4 = 12!
----------
4! 8!
= 12*11*10*9 11*5*9 = 495
-------------- =
4*3*2*1
Answer:the answer should be B :) !
Step-by-step explanation:
If you are doing a quadratic, you wil have to do quadratic formula, if you are just doing that, no solution.
The answer is b. Thank you
Answer:
what are you asking for
Step-by-step explanation: