For the following statements 11 - 16 write TRUE or FALSE. 11. Through any two points there is exactly two lines.

12. A line contains of at LEAST two points.

13. A plane contains at least three non-collinear points.

14. Two lines intersect at a point.

15. Two planes intersect at a point.

16. A line and a plane intersect at a line.

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.

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?