samsmith666
samsmith666
20.12.2019 • 
Mathematics

Aplumber charges a service call fee of $25 plus $40 for each hour she works. which variable is the independent variable?

a. the total cost of the plumber's services for a service call

b. the number of hours the plumber works on a service call

c. there is no relationship between the variables

Solved
Show answers

Ask an AI advisor a question