C) 22
86/4 = 21.5
*5 Or more, raise the score*
(rounds to 22)
you should have 2 lightbulbs left over but you would be 2 lightbulbs short if you were to get 21 packages as opposed to 22
Step-by-step explanation:
making m the subject first by dividing through by 4
from the question, given n = -1 ,0 ,1
so when n= -1
when n=0
when n=1
The answer is 8, because CA and BC are equal