Respuesta :

Breadbreadstick

Answer:

First one! Hours of babysitting

Step-by-step explanation:

15 x y = 90

the variable would be how many hours she worked

TwistedNight

Answer:

A

Step-by-step explanation:

she will always charge $15 a hour which makes it independent
as for the amount of hours she has spent would be dependent on how much time she has spent baby sitting