Which region represents the solution to the given system of inequalities?

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!

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?

3/4 = c/36 i need with this fraction proble.