a community service organization is selling tickets to a fundraiser for the local children's hospital. the money from ticket sales plus the money they had already raised will be donated to the children's hospital. the organization has already raised $5400 and is selling tickets for $115 each. the organization wants to donate $10000 to the hospital. write the domain and range to represent how many tickets the community service organization has to sell in order to raise $10000.

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.