Please help.
Algebra.

Answer:
3. -3
4. 4
Step-by-step explanation:
3 . so [tex]h^{2} = g^{?+3} h^{2}[/tex], we cancel the [tex]h^{2}[/tex] out and it leaves us with [tex]1=g^{?+3}[/tex]
Which means ?+3=0, and ?=-3
4. so [tex]k^{?} = k^{4}[/tex], ?=4