PLEASSSE HELP ME FIGURE THESE OUT ILL GIVE YOU ALL MY POINTS!!!

The two-way frequency table below shows data on playing a sport and playing a musical instrument for students in a class.

Examine the following sets of events. set a: {1, 5, 7, 9, 14} set b: {2, 5, 6, 8, 14, 17} which of the following represents the intersection of set a and set b ? {∅} {5, 14} {1, 2, 5, 6, 7, 8, 9, 14, 17} {1, 2, 6, 7, 8, 9, 17}

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?