J= 6 for 15 - j= 21
what’s the answer

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!

Ineed with number 6 , explain how to get 1978

Graph the equationy= x+3[tex]y = x + 3[/tex]