A
x=y^2-9
x+9=y^2
square root both sides
+-sqrt(x+9)
It should be a.), all plant cells have a cell wall made of cellulose, which acts as exoskeleton and makes them so stable. However on a bigger level this plant cells can also form cellulose fibers, so that c.) is not completely false :)
Answer = 14/8
Step by step explanation
2 x 7/8
= (2x7)/8
= 14/8
