I need help

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

Which letters from the table represent like terms? a and b b and c a and d b and d

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)