Cal is measuring the temperature changes in four substance over different time periods as part of a school project. He records his data in the four tables shown. Which data shows a proportional relationship? Choose all that apply.

What is 1/2 x (6 x 4)+3 + 2 show your work

Graph the equation by plotting point x=2

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.