14. Which set of data is qualitative? 1) number of laps in a race
2) number of swimmers on the team
3) swimmers' favorite swimsuit colors
4) temperature in Fahrenheit of the water in a pool

Which expression is equivalent to 4 square root 6 divided by 3 root 2

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100