After 20 mins juan had completed 12 questions which is .7 of his assignments. what percent of the assignment had juan not completed?

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.

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?