Question

Help me?

Answer 1

C

Answer 2

awwwwww man tell him how dude not just answer only... you split up the fraction and divide the like terms or use the exponent rules

Answer 3

on the right you can cancel the z's... z alone is known as z^1 but the one is rarely written.

Answer 4

on the left you have 2 z's in the numerator and a z in the denominator. you can write it as zz/z to help you cancel a z out or if you know the exponent rules, it's z^2-1 and that's z^1 a.k.a z