They estimate that their current fridge (older) which they got for free cost them $19 a month in electricity charges to operate

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

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?

8.74 rounded to the nearest whole number