The cell membrane<span> is selectively permeable to ions and organic molecules and controls the movement of substances in and out of </span>cells. The basic function<span> of the </span>cell membrane<span> is to protect the </span>cell<span> from its surroundings.</span>
Answer: I believe it would be no solution
Step-by-step explanation
Answer:
a = 4/27 - b/81
Step-by-step explanation:
27a + 1/3 * b = 4
Subtract the term with b from both sides.
27a = 4 - 1/3 *b
Divide both sides by 27.
a = 4/27 - 1/81 * b
a = 4/27 - b/81
Answer:

Step-by-step explanation:
3a²*2a³ = (2*3)(a² *a³)= 