Which type of tax is based on the amount of money a person earns in a year and is collected by the federal government?

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

How do you determine whether a relationship represented as as graph is linear or nonlinear

Y=21.95x+10 y=22.45x solve by substitution