(d/4) 75 cm cubed is correct
Answer:

Step-by-step explanation:
Given
See attachment
Required
Find BC
The sum of
is 360.
So:

Collect like terms


Solve for n


From the circle:

Substitute 14 for n


Answer:
(-4,1)
Step-by-step explanation:
The solution of these two linear equations in where the two lines meet. This means that when plugged into equation the x ( in this case -4) would allow you to get y = 2 (which is the y). Hope this helped you as I know the answer and if you want refinement.