. If there are three different drinks available and 5 people that ordered drinks, what is the probability that at least one pair of the drinks sold were matching?

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

The data represents the semester exam scores of 8 students in a math course. {51,91,46,30,36,50,73,80} what is the five-number summary?