I need to know how to show -12<3x on the number line for inequalities

Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3