Answer:
Step-by-step explanation:
When A and B are brought together then they repel i.e. A and B have same charge, either negative or positive
When B and C are brought together then they also repel. This implies that nature of charge on B and C is same
Answer:
hmm
Step-by-step explanation:
We are going to add.

80+48=128. So the perimeter is 128. Hoped I helped. :)
Answer:
what is x equal to
Step-by-step explanation:
for example x= 3
and then you put
f(3)= slope + y - intercept
see how i changed f(x) to f(3) becuase the x was 3 and i put it there