Determine whether the sequence could be arithmetic. "yes" or "no".

28, 21, 15, 10, 6,

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

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.