Answer:
The human cheek cell is a good example of a typical animal cell. It has a prominent nucleus and a flexible cell membrane which gives the cell its irregular, soft-looking shape.
The second one is endothermic as endothermic reactions require energy for the reaction to take place.
Use this website. It helps alot
https://www.webqc.org/balance.php
The answer originally came out as 11.36 but if you are supposed to be rounding then your answer should be 11.4