Consider the following table does this represent a function why or why not?

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same

Add the two expressions 4.6 x -3 + -5.3 x + 9

5/4 gallons of water fill 5/6 of a bucket how many gallons of water fill the entire bucket