Answer:
this is not a real math equation.
Step-by-step explanation:
Answer:
[(a)^2-(4^2)](a+4)
Step-by-step explanation:
Shade in 9 boxes
12÷4= 3 (This is 1 fourth)
3×3=9 (This is 3 fourths)
Answer:
165 ways
Step-by-step explanation:
Selection deals with combination
There are a total of 11 from which 3 are to be selected
11C3 = 11!/3!(11-3)!
= 11!/(3!x8!)
=(11x10x9x8!)/(3x2x8!)
=11x10x9/6
=11x5x3 = 165 ways