HELP PLEASE transform the image of the figure with the given vertices under a dilation with the given scale factor centered at the origin

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).

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.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?