Select ALL the correct answers. Which of the following would be appropriate to measure in centimeters?
- the height of a standard ceiling
- the width of a swimming pool
- the yearly increase in a child's height
- the distance between Philadelphia and New York City
- the length of a paperclip

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.