Why is the total journey time longer than the journey time from Rome to Florence added to the journey time from Florence to Bologna?

Which graph represents the solution set for the given system of inequalities? x+2y< 3 x+y> 4 3x-2y> 4

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog