The following data was collected from 10 visitors to disneyland. a researcher stood at the entrance gate and interviewed the first 10 families that agreed to participate. each family was asked, “how many times have you been to disneyland? ” the data values were: 1, 1, 2, 2, 2, 2, 3, 3, 4, 7. the average number of visits was calculated and reported.

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)