I need help plz .

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

Which of the following points is collinear with (-2,1) and (0,3)

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8