Answer:
she can have 4 marbles in the bag.
Step-by-step explanation:
Because if one out of four is read then there is four marbles.
Answer: I and II only
Step-by-step explanation:
Radius=0 and a point
For this case we have a function of the form
Where:

We must find the value of the function when the variable x is -5.
Then, substituting, 

We have that by sign law

Answer:

1) 5N in one direction and 5N in the other direction will cancel out.
= <u>0N</u>
2) 3N in one direction and 5N in the same direction will amplify the force. Add them up
= <u>8N</u>
Is not a good one...because there is not enough people...it doesn't represent all of the customers