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:
A
Step-by-step explanation:
49.57(total amount paid) -2.5 (del fee) = 47.07
47.07/3= 15.69 is the price of each
Answer:
The second one
Step-by-step explanation:
Your one is the correct
To get the answer. you have to find the unit rate.
To find the unit rate, divide 2.50 by 5 which is 0.5 or 50 cents.
(You can check to see if you did this right by multiplying, so .5x5=2.5)
Then you multiply .5 by 7 which is 3.5, or $3.50.
