simplifying each rational expression

Any help will be greatly appreciated, thanks in advance
1.(solved)

18y
___

9y^4


2.

4t+12
_____

t^2-9

Quote:

---

Originally Posted by imbadatmath

Any help will be greatly appreciated, thanks in advance
1.

18y
___

9y^4


2.

4t+12
_____

t^2-16

---

1.)



2.)
This can't be simplified.

Im sorry I just made a correction it was t^2-9

number 2 correct question is
4t+12
_____

t^2-9