Respuesta :

Lynxie
The unit rate is the slope. In this case, the slope is 1.5 in this case. 
The unit rate= 1.5

Hope I was able to help! <3
apologiabiology
the unit rate is how much y chanes for every x
it is a ratio
the unit rate is the slope which is y=mx+b m=xlope
slope=1.5

unit rate is 1.5