Answer: 
Step-by-step explanation:
Given
Two forces of 9 and 13 lbs acts
angle to each other
The resultant of the two forces is given by

Insert the values

Resultant makes an angle of

So, the resultant makes an angle of
with 9 lb force
Angle made with 13 lb force is 
Each box had at most 13 apples
I hope that helps!!!!!!
: )
X is 1 over 10. 10 squared is 100. X is 7. The third root of 343 is 7.