I think it's the third one cause the 3 will b "out of the house" while the 4 will b the power.
The answer is C hope this helps
Answer:
since the rate at which concentration inside the cell is proportional to the difference in the concentration of the solute in the blood stream and the concentration within the cell, then the rate of change of concentration within the cell is equals to K(L-C).
Thus, the required differential equation is Δc/Δt = K( L - C ).
Step-by-step explanation:
The greatest common factor of 27, 45, and 63 is 9