I’m not sure if it would be a or b, does anyone know?

What is the range of the data below? .8090100

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Me asap! what is the slope of this line? enter your answer in the box.